158440712 has 16 divisors (see below), whose sum is σ = 297303360. Its totient is φ = 79159824.

The previous prime is 158440669. The next prime is 158440801. The reversal of 158440712 is 217044851.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4733 + ... + 18419.

It is an arithmetic number, because the mean of its divisors is an integer number (18581460).

Almost surely, 2^158440712 is an apocalyptic number.

It is an amenable number.

158440712 is a deficient number, since it is larger than the sum of its proper divisors (138862648).

158440712 is a wasteful number, since it uses less digits than its factorization.

158440712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15140 (or 15136 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 158440712 is about 12587.3234645019. The cubic root of 158440712 is about 541.1141969506.

The spelling of 158440712 in words is "one hundred fifty-eight million, four hundred forty thousand, seven hundred twelve".