158990953 has 16 divisors (see below), whose sum is σ = 184092480. Its totient is φ = 135705600.

The previous prime is 158990929. The next prime is 158990977. The reversal of 158990953 is 359099851.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (158990929) and next prime (158990977).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-158990953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 158990897 and 158990906.

It is not an unprimeable number, because it can be changed into a prime (158990653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106033 + ... + 107521.

It is an arithmetic number, because the mean of its divisors is an integer number (11505780).

Almost surely, 2^158990953 is an apocalyptic number.

It is an amenable number.

158990953 is a deficient number, since it is larger than the sum of its proper divisors (25101527).

158990953 is a wasteful number, since it uses less digits than its factorization.

158990953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2088.

The product of its (nonzero) digits is 437400, while the sum is 49.

The square root of 158990953 is about 12609.1614709306. The cubic root of 158990953 is about 541.7398762219.

The spelling of 158990953 in words is "one hundred fifty-eight million, nine hundred ninety thousand, nine hundred fifty-three".