163136145 has 32 divisors (see below), whose sum is σ = 269638272. Its totient is φ = 84160512.

The previous prime is 163136137. The next prime is 163136191. The reversal of 163136145 is 541631361.

It is not a de Polignac number, because 163136145 - 2³ = 163136137 is a prime.

It is a super-2 number, since 2×163136145² = 53226803610922050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106354 + ... + 107876.

It is an arithmetic number, because the mean of its divisors is an integer number (8426196).

Almost surely, 2^163136145 is an apocalyptic number.

163136145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

163136145 is a deficient number, since it is larger than the sum of its proper divisors (106502127).

163136145 is a wasteful number, since it uses less digits than its factorization.

163136145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1761.

The product of its digits is 6480, while the sum is 30.

The square root of 163136145 is about 12772.4760716159. The cubic root of 163136145 is about 546.4076006183.

The spelling of 163136145 in words is "one hundred sixty-three million, one hundred thirty-six thousand, one hundred forty-five".