162656145 has 12 divisors (see below), whose sum is σ = 281937396. Its totient is φ = 86749920.

The previous prime is 162656141. The next prime is 162656147. The reversal of 162656145 is 541656261.

162656145 is a `hidden beast` number, since 16 + 26 + 5 + 614 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 84492864 + 78163281 = 9192^2 + 8841^2 .

It is not a de Polignac number, because 162656145 - 2² = 162656141 is a prime.

It is a super-2 number, since 2×162656145² = 52914043012522050, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (162656141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1807246 + ... + 1807335.

It is an arithmetic number, because the mean of its divisors is an integer number (23494783).

Almost surely, 2^162656145 is an apocalyptic number.

162656145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

162656145 is a deficient number, since it is larger than the sum of its proper divisors (119281251).

162656145 is a wasteful number, since it uses less digits than its factorization.

162656145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3614592 (or 3614589 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 162656145 is about 12753.6718242238. The cubic root of 162656145 is about 545.8711707482.

It can be divided in two parts, 162 and 656145, that multiplied together give a triangular number (106295490 = T₁₄₅₈₀).

The spelling of 162656145 in words is "one hundred sixty-two million, six hundred fifty-six thousand, one hundred forty-five".