158621082 has 16 divisors (see below), whose sum is σ = 333939360. Its totient is φ = 50090832.

The previous prime is 158621069. The next prime is 158621119. The reversal of 158621082 is 280126851.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 695593 + ... + 695820.

It is an arithmetic number, because the mean of its divisors is an integer number (20871210).

Almost surely, 2^158621082 is an apocalyptic number.

158621082 is an abundant number, since it is smaller than the sum of its proper divisors (175318278).

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

158621082 is a wasteful number, since it uses less digits than its factorization.

158621082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391437.

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 158621082 is about 12594.4861745130. The cubic root of 158621082 is about 541.3194551266.

The spelling of 158621082 in words is "one hundred fifty-eight million, six hundred twenty-one thousand, eighty-two".