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145278968 = 2355732603
BaseRepresentation
bin10001010100011…
…00011111111000
3101010100221021112
420222030133320
5244142411333
622225455452
73412564562
oct1052143770
9333327245
10145278968
117500826a
12407a1588
13241380b3
141541a332
15cb4a948
hex8a8c7f8

145278968 has 16 divisors (see below), whose sum is σ = 272895480. Its totient is φ = 72506848.

The previous prime is 145278961. The next prime is 145279007. The reversal of 145278968 is 869872541.

145278968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1452789682 = 42211957086290048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145278961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11846 + ... + 20757.

Almost surely, 2145278968 is an apocalyptic number.

It is an amenable number.

145278968 is a deficient number, since it is larger than the sum of its proper divisors (127616512).

145278968 is a wasteful number, since it uses less digits than its factorization.

145278968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33166 (or 33162 counting only the distinct ones).

The product of its digits is 967680, while the sum is 50.

The square root of 145278968 is about 12053.1725284259. The cubic root of 145278968 is about 525.6954870236.

The spelling of 145278968 in words is "one hundred forty-five million, two hundred seventy-eight thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 557 1114 2228 4456 32603 65206 130412 260824 18159871 36319742 72639484 145278968