158232772 has 24 divisors (see below), whose sum is σ = 283481856. Its totient is φ = 77252448.

The previous prime is 158232751. The next prime is 158232791. The reversal of 158232772 is 277232851.

It is a super-2 number, since 2×158232772² = 50075220269607968, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 45603 + ... + 48949.

It is an arithmetic number, because the mean of its divisors is an integer number (11811744).

Almost surely, 2^158232772 is an apocalyptic number.

It is an amenable number.

158232772 is a deficient number, since it is larger than the sum of its proper divisors (125249084).

158232772 is a wasteful number, since it uses less digits than its factorization.

158232772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3627 (or 3625 counting only the distinct ones).

The product of its digits is 47040, while the sum is 37.

The square root of 158232772 is about 12579.0608552467. The cubic root of 158232772 is about 540.8773711486.

The spelling of 158232772 in words is "one hundred fifty-eight million, two hundred thirty-two thousand, seven hundred seventy-two".