158318897 has 16 divisors (see below), whose sum is σ = 176655168. Its totient is φ = 140662080.

The previous prime is 158318869. The next prime is 158318911. The reversal of 158318897 is 798813851.

158318897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 158318897 - 2¹² = 158314801 is a prime.

It is a Duffinian number.

Its product of digits (483840) is a multiple of the sum of its prime divisors (1120).

It is not an unprimeable number, because it can be changed into a prime (158318837) 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, 257963 + ... + 258575.

It is an arithmetic number, because the mean of its divisors is an integer number (11040948).

Almost surely, 2^158318897 is an apocalyptic number.

It is an amenable number.

158318897 is a deficient number, since it is larger than the sum of its proper divisors (18336271).

158318897 is a wasteful number, since it uses less digits than its factorization.

158318897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120.

The product of its digits is 483840, while the sum is 50.

The square root of 158318897 is about 12582.4837373231. The cubic root of 158318897 is about 540.9754852833.

The spelling of 158318897 in words is "one hundred fifty-eight million, three hundred eighteen thousand, eight hundred ninety-seven".