158422190 has 16 divisors (see below), whose sum is σ = 300168720. Its totient is φ = 60033600.

The previous prime is 158422177. The next prime is 158422207. The reversal of 158422190 is 91224851.

158422190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×158422190² = 50195180568792200, which contains 22 as substring.

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, 416711 + ... + 417090.

It is an arithmetic number, because the mean of its divisors is an integer number (18760545).

Almost surely, 2^158422190 is an apocalyptic number.

158422190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

158422190 is a deficient number, since it is larger than the sum of its proper divisors (141746530).

158422190 is a wasteful number, since it uses less digits than its factorization.

158422190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833827.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 158422190 is about 12586.5877027890. The cubic root of 158422190 is about 541.0931103927.

The spelling of 158422190 in words is "one hundred fifty-eight million, four hundred twenty-two thousand, one hundred ninety".