158440268 has 24 divisors (see below), whose sum is σ = 317517984. Its totient is φ = 67766400.

The previous prime is 158440237. The next prime is 158440283. The reversal of 158440268 is 862044851.

It is a happy number.

158440268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 9158 + ... + 20018.

It is an arithmetic number, because the mean of its divisors is an integer number (13229916).

Almost surely, 2^158440268 is an apocalyptic number.

It is an amenable number.

158440268 is an abundant number, since it is smaller than the sum of its proper divisors (159077716).

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

158440268 is a wasteful number, since it uses less digits than its factorization.

158440268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11393 (or 11391 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 158440268 is about 12587.3058276980. The cubic root of 158440268 is about 541.1136914935.

The spelling of 158440268 in words is "one hundred fifty-eight million, four hundred forty thousand, two hundred sixty-eight".