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145314164 = 22172136973
BaseRepresentation
bin10001010100101…
…01000101110100
3101010102201120002
420222111011310
5244200023124
622230330432
73413102312
oct1052250564
9333381502
10145314164
1175031756
12407b9a18
132414b118
14154290b2
15cb560ae
hex8a95174

145314164 has 12 divisors (see below), whose sum is σ = 269258724. Its totient is φ = 68383104.

The previous prime is 145314163. The next prime is 145314167. The reversal of 145314164 is 461413541.

It can be written as a sum of positive squares in 2 ways, for example, as 80640400 + 64673764 = 8980^2 + 8042^2 .

It is a super-2 number, since 2×1453141642 = 42232412518037792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145314163) 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, 1068419 + ... + 1068554.

It is an arithmetic number, because the mean of its divisors is an integer number (22438227).

Almost surely, 2145314164 is an apocalyptic number.

It is an amenable number.

145314164 is a deficient number, since it is larger than the sum of its proper divisors (123944560).

145314164 is a wasteful number, since it uses less digits than its factorization.

145314164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136994 (or 2136992 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 145314164 is about 12054.6324705484. The cubic root of 145314164 is about 525.7379361238.

The spelling of 145314164 in words is "one hundred forty-five million, three hundred fourteen thousand, one hundred sixty-four".

Divisors: 1 2 4 17 34 68 2136973 4273946 8547892 36328541 72657082 145314164