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1145110232 = 237591272729
BaseRepresentation
bin100010001000000…
…1111111011011000
32221210201121221002
41010100033323120
54321122011412
6305343404132
740243163540
oct10420177330
92853647832
101145110232
115384262a2
1227b5b3648
13153316526
14ac122320
156a7e6dc2
hex4440fed8

1145110232 has 64 divisors (see below), whose sum is σ = 2515968000. Its totient is φ = 478469376.

The previous prime is 1145110231. The next prime is 1145110243. The reversal of 1145110232 is 2320115411.

It is a super-2 number, since 2×11451102322 = 2622554886862187648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145110231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 418244 + ... + 420972.

It is an arithmetic number, because the mean of its divisors is an integer number (39312000).

Almost surely, 21145110232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1145110232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1257984000).

1145110232 is an abundant number, since it is smaller than the sum of its proper divisors (1370857768).

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

1145110232 is a wasteful number, since it uses less digits than its factorization.

1145110232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2928 (or 2924 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1145110232 is about 33839.4774191328. The cubic root of 1145110232 is about 1046.2025279704.

Adding to 1145110232 its reverse (2320115411), we get a palindrome (3465225643).

The spelling of 1145110232 in words is "one billion, one hundred forty-five million, one hundred ten thousand, two hundred thirty-two".

Divisors: 1 2 4 7 8 14 28 56 59 118 127 236 254 413 472 508 826 889 1016 1652 1778 2729 3304 3556 5458 7112 7493 10916 14986 19103 21832 29972 38206 52451 59944 76412 104902 152824 161011 209804 322022 346583 419608 644044 693166 1127077 1288088 1386332 2254154 2426081 2772664 4508308 4852162 9016616 9704324 19408648 20448397 40896794 81793588 143138779 163587176 286277558 572555116 1145110232