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145768404 = 22317714551
BaseRepresentation
bin10001011000000…
…11111111010100
3101011021210122210
420230003333110
5244304042104
622244153420
73420003525
oct1054037724
9334253583
10145768404
1175311a61
1240998870
1324279ac2
141550684c
15cbe5989
hex8b03fd4

145768404 has 24 divisors (see below), whose sum is σ = 360134208. Its totient is φ = 45731200.

The previous prime is 145768397. The next prime is 145768429. The reversal of 145768404 is 404867541.

145768404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357072 + ... + 357479.

It is an arithmetic number, because the mean of its divisors is an integer number (15005592).

Almost surely, 2145768404 is an apocalyptic number.

It is an amenable number.

145768404 is an abundant number, since it is smaller than the sum of its proper divisors (214365804).

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

145768404 is a wasteful number, since it uses less digits than its factorization.

145768404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714575 (or 714573 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 145768404 is about 12073.4586593900. The cubic root of 145768404 is about 526.2851706812.

The spelling of 145768404 in words is "one hundred forty-five million, seven hundred sixty-eight thousand, four hundred four".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 714551 1429102 2143653 2858204 4287306 8574612 12147367 24294734 36442101 48589468 72884202 145768404