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145162444 = 2275184373
BaseRepresentation
bin10001010011100…
…00000011001100
3101010011000102211
420221300003030
5244130144234
622223200204
73411601060
oct1051600314
9333130384
10145162444
1174a38769
1240746064
13240c704b
14153c9aa0
15cb26164
hex8a700cc

145162444 has 12 divisors (see below), whose sum is σ = 290324944. Its totient is φ = 62212464.

The previous prime is 145162417. The next prime is 145162447. The reversal of 145162444 is 444261541.

145162444 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (145162447) 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, 2592159 + ... + 2592214.

Almost surely, 2145162444 is an apocalyptic number.

145162444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

145162444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

145162444 is a wasteful number, since it uses less digits than its factorization.

145162444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5184384 (or 5184382 counting only the distinct ones).

The product of its digits is 15360, while the sum is 31.

The square root of 145162444 is about 12048.3378106692. The cubic root of 145162444 is about 525.5549011188.

The spelling of 145162444 in words is "one hundred forty-five million, one hundred sixty-two thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 5184373 10368746 20737492 36290611 72581222 145162444