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145476344 = 231317107769
BaseRepresentation
bin10001010101111…
…00101011111000
3101010201222000202
420222330223320
5244220220334
622234021332
73414346166
oct1052745370
9333658022
10145476344
1175132592
1240877848
13241a6ba0
141546c236
15cb8917e
hex8abcaf8

145476344 has 64 divisors (see below), whose sum is σ = 314344800. Its totient is φ = 62521344.

The previous prime is 145476329. The next prime is 145476347. The reversal of 145476344 is 443674541.

It is a junction number, because it is equal to n+sod(n) for n = 145476298 and 145476307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145476347) 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, 188792 + ... + 189560.

Almost surely, 2145476344 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 145476344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157172400).

145476344 is an abundant number, since it is smaller than the sum of its proper divisors (168868456).

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

145476344 is a wasteful number, since it uses less digits than its factorization.

145476344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912 (or 908 counting only the distinct ones).

The product of its digits is 161280, while the sum is 38.

The square root of 145476344 is about 12061.3574692072. The cubic root of 145476344 is about 525.9334492467.

The spelling of 145476344 in words is "one hundred forty-five million, four hundred seventy-six thousand, three hundred forty-four".

Divisors: 1 2 4 8 13 17 26 34 52 68 104 107 136 214 221 428 442 769 856 884 1391 1538 1768 1819 2782 3076 3638 5564 6152 7276 9997 11128 13073 14552 19994 23647 26146 39988 47294 52292 79976 82283 94588 104584 164566 169949 189176 329132 339898 658264 679796 1069679 1359592 1398811 2139358 2797622 4278716 5595244 8557432 11190488 18184543 36369086 72738172 145476344