158072812 has 24 divisors (see below), whose sum is σ = 280615104. Its totient is φ = 77904912.

The previous prime is 158072809. The next prime is 158072833. The reversal of 158072812 is 218270851.

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, 96343 + ... + 97969.

It is an arithmetic number, because the mean of its divisors is an integer number (11692296).

Almost surely, 2^158072812 is an apocalyptic number.

It is an amenable number.

158072812 is a deficient number, since it is larger than the sum of its proper divisors (122542292).

158072812 is a wasteful number, since it uses less digits than its factorization.

158072812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965 (or 1963 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 34.

The square root of 158072812 is about 12572.7010622221. The cubic root of 158072812 is about 540.6950492146.

The spelling of 158072812 in words is "one hundred fifty-eight million, seventy-two thousand, eight hundred twelve".