158670402 has 32 divisors (see below), whose sum is σ = 353562624. Its totient is φ = 47058000.

The previous prime is 158670373. The next prime is 158670409. The reversal of 158670402 is 204076851.

158670402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (158670409) 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 15 ways as a sum of consecutive naturals, for example, 22474 + ... + 28677.

It is an arithmetic number, because the mean of its divisors is an integer number (11048832).

Almost surely, 2^158670402 is an apocalyptic number.

158670402 is an abundant number, since it is smaller than the sum of its proper divisors (194892222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158670402 is a wasteful number, since it uses less digits than its factorization.

158670402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51214.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 158670402 is about 12596.4440220246. Note that the first 3 decimals coincide. The cubic root of 158670402 is about 541.3755534052.

The spelling of 158670402 in words is "one hundred fifty-eight million, six hundred seventy thousand, four hundred two".