158904423 has 20 divisors (see below), whose sum is σ = 251341200. Its totient is φ = 99703872.

The previous prime is 158904409. The next prime is 158904437. The reversal of 158904423 is 324409851.

158904423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (158904409) and next prime (158904437).

It is not a de Polignac number, because 158904423 - 2⁴ = 158904407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158904443) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 56323 + ... + 59076.

It is an arithmetic number, because the mean of its divisors is an integer number (12567060).

Almost surely, 2^158904423 is an apocalyptic number.

158904423 is a deficient number, since it is larger than the sum of its proper divisors (92436777).

158904423 is a wasteful number, since it uses less digits than its factorization.

158904423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115428 (or 115419 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 158904423 is about 12605.7297686409. The cubic root of 158904423 is about 541.6415786829.

The spelling of 158904423 in words is "one hundred fifty-eight million, nine hundred four thousand, four hundred twenty-three".