158352220 has 24 divisors (see below), whose sum is σ = 358120224. Its totient is φ = 58468416.

The previous prime is 158352203. The next prime is 158352269. The reversal of 158352220 is 22253851.

It is a congruent number.

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, 304264 + ... + 304783.

It is an arithmetic number, because the mean of its divisors is an integer number (14921676).

Almost surely, 2^158352220 is an apocalyptic number.

158352220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158352220 is an abundant number, since it is smaller than the sum of its proper divisors (199768004).

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

158352220 is a wasteful number, since it uses less digits than its factorization.

158352220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609069 (or 609067 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 158352220 is about 12583.8078497727. The cubic root of 158352220 is about 541.0134375047.

The spelling of 158352220 in words is "one hundred fifty-eight million, three hundred fifty-two thousand, two hundred twenty".