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1145794254 = 2311217243127
BaseRepresentation
bin100010001001011…
…0110111011001110
32221212000101020020
41010102312323032
54321310404004
6305410203010
740252043013
oct10422667316
92855011206
101145794254
11538853200
1227b883466
131534c5987
14ac25d70a
156a8ce8d9
hex444b6ece

1145794254 has 144 divisors (see below), whose sum is σ = 2759522304. Its totient is φ = 316673280.

The previous prime is 1145794231. The next prime is 1145794261. The reversal of 1145794254 is 4524975411.

1145794254 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9021939 + ... + 9022065.

Almost surely, 21145794254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1145794254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1379761152).

1145794254 is an abundant number, since it is smaller than the sum of its proper divisors (1613728050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1145794254 is a wasteful number, since it uses less digits than its factorization.

1145794254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 203 counting only the distinct ones).

The product of its digits is 201600, while the sum is 42.

The square root of 1145794254 is about 33849.5827743859. The cubic root of 1145794254 is about 1046.4107999434.

The spelling of 1145794254 in words is "one billion, one hundred forty-five million, seven hundred ninety-four thousand, two hundred fifty-four".

Divisors: 1 2 3 6 11 17 22 33 34 43 51 66 86 102 121 127 129 187 242 254 258 289 363 374 381 473 561 578 726 731 762 867 946 1122 1397 1419 1462 1734 2057 2159 2193 2794 2838 3179 4114 4191 4318 4386 5203 5461 6171 6358 6477 8041 8382 9537 10406 10922 12342 12427 12954 15367 15609 16082 16383 19074 23749 24123 24854 30734 31218 32766 34969 36703 37281 46101 47498 48246 60071 69938 71247 73406 74562 88451 92202 92837 104907 110109 120142 136697 142494 176902 180213 185674 209814 220218 261239 265353 273394 278511 360426 403733 410091 522478 530706 557022 660781 783717 807466 820182 1021207 1211199 1321562 1503667 1567434 1578229 1982343 2042414 2422398 3007334 3063621 3156458 3964686 4441063 4511001 4734687 6127242 8882126 9022002 9469374 11233277 13323189 17360519 22466554 26646378 33699831 34721038 52081557 67399662 104163114 190965709 381931418 572897127 1145794254