162152523 has 20 divisors (see below), whose sum is σ = 260862448. Its totient is φ = 99785520.

The previous prime is 162152519. The next prime is 162152531. The reversal of 162152523 is 325251261.

It is a happy number.

It is not a de Polignac number, because 162152523 - 2² = 162152519 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162152503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 75943 + ... + 78048.

Almost surely, 2^162152523 is an apocalyptic number.

162152523 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

162152523 is a deficient number, since it is larger than the sum of its proper divisors (98709925).

162152523 is a wasteful number, since it uses less digits than its factorization.

162152523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154016 (or 154007 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 162152523 is about 12733.9123210426. The cubic root of 162152523 is about 545.3072060903.

The spelling of 162152523 in words is "one hundred sixty-two million, one hundred fifty-two thousand, five hundred twenty-three".