162153131 has 4 divisors (see below), whose sum is σ = 185317872. Its totient is φ = 138988392.

The previous prime is 162153127. The next prime is 162153139. The reversal of 162153131 is 131351261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131351261 = 271 ⋅484691.

It is a cyclic number.

It is not a de Polignac number, because 162153131 - 2² = 162153127 is a prime.

It is a super-2 number, since 2×162153131² = 52587275786206322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 162153097 and 162153106.

It is not an unprimeable number, because it can be changed into a prime (162153139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11582360 + ... + 11582373.

It is an arithmetic number, because the mean of its divisors is an integer number (46329468).

Almost surely, 2^162153131 is an apocalyptic number.

162153131 is a deficient number, since it is larger than the sum of its proper divisors (23164741).

162153131 is an equidigital number, since it uses as much as digits as its factorization.

162153131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23164740.

The product of its digits is 540, while the sum is 23.

The square root of 162153131 is about 12733.9361942802. The cubic root of 162153131 is about 545.3078876428.

The spelling of 162153131 in words is "one hundred sixty-two million, one hundred fifty-three thousand, one hundred thirty-one".