158249572 has 36 divisors (see below), whose sum is σ = 302336496. Its totient is φ = 72440160.

The previous prime is 158249521. The next prime is 158249587. The reversal of 158249572 is 275942851.

158249572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87663 + ... + 89449.

It is an arithmetic number, because the mean of its divisors is an integer number (8398236).

Almost surely, 2^158249572 is an apocalyptic number.

It is an amenable number.

158249572 is a deficient number, since it is larger than the sum of its proper divisors (144086924).

158249572 is a wasteful number, since it uses less digits than its factorization.

158249572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948 (or 1933 counting only the distinct ones).

The product of its digits is 201600, while the sum is 43.

The square root of 158249572 is about 12579.7286139249. The cubic root of 158249572 is about 540.8965126074.

The spelling of 158249572 in words is "one hundred fifty-eight million, two hundred forty-nine thousand, five hundred seventy-two".