158964369 has 4 divisors (see below), whose sum is σ = 211952496. Its totient is φ = 105976244.

The previous prime is 158964347. The next prime is 158964371. The reversal of 158964369 is 963469851.

158964369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 158964369 - 2¹³ = 158956177 is a prime.

It is a super-2 number, since 2×158964369² = 50539341223136322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (158964319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26494059 + ... + 26494064.

It is an arithmetic number, because the mean of its divisors is an integer number (52988124).

Almost surely, 2^158964369 is an apocalyptic number.

It is an amenable number.

158964369 is a deficient number, since it is larger than the sum of its proper divisors (52988127).

158964369 is an equidigital number, since it uses as much as digits as its factorization.

158964369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52988126.

The product of its digits is 1399680, while the sum is 51.

The square root of 158964369 is about 12608.1072727035. The cubic root of 158964369 is about 541.7096807603.

It can be divided in two parts, 1 and 58964369, that added together give a triangular number (58964370 = T₁₀₈₅₉).

The spelling of 158964369 in words is "one hundred fifty-eight million, nine hundred sixty-four thousand, three hundred sixty-nine".