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145654944 = 2531517239
BaseRepresentation
bin10001010111010…
…00010010100000
3101011002001000120
420223220102200
5244241424234
622241520240
73416021661
oct1053502240
9334061016
10145654944
1175244796
1240943080
132423a276
14154b7368
15cbc2049
hex8ae84a0

145654944 has 24 divisors (see below), whose sum is σ = 382344480. Its totient is φ = 48551616.

The previous prime is 145654921. The next prime is 145654961. The reversal of 145654944 is 449456541.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 145654896 and 145654905.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 758524 + ... + 758715.

It is an arithmetic number, because the mean of its divisors is an integer number (15931020).

Almost surely, 2145654944 is an apocalyptic number.

It is an amenable number.

145654944 is an abundant number, since it is smaller than the sum of its proper divisors (236689536).

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

145654944 is a wasteful number, since it uses less digits than its factorization.

145654944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517252 (or 1517244 counting only the distinct ones).

The product of its digits is 345600, while the sum is 42.

The square root of 145654944 is about 12068.7590082825. The cubic root of 145654944 is about 526.1485891518.

The spelling of 145654944 in words is "one hundred forty-five million, six hundred fifty-four thousand, nine hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 1517239 3034478 4551717 6068956 9103434 12137912 18206868 24275824 36413736 48551648 72827472 145654944