158404377 has 4 divisors (see below), whose sum is σ = 211205840. Its totient is φ = 105602916.

The previous prime is 158404339. The next prime is 158404391. The reversal of 158404377 is 773404851.

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 not a de Polignac number, because 158404377 - 2⁶ = 158404313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158404397) 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, 26400727 + ... + 26400732.

It is an arithmetic number, because the mean of its divisors is an integer number (52801460).

Almost surely, 2^158404377 is an apocalyptic number.

It is an amenable number.

158404377 is a deficient number, since it is larger than the sum of its proper divisors (52801463).

158404377 is an equidigital number, since it uses as much as digits as its factorization.

158404377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52801462.

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 158404377 is about 12585.8800645803. The cubic root of 158404377 is about 541.0728294526.

The spelling of 158404377 in words is "one hundred fifty-eight million, four hundred four thousand, three hundred seventy-seven".