158490227 has 16 divisors (see below), whose sum is σ = 184455360. Its totient is φ = 133373952.

The previous prime is 158490179. The next prime is 158490239. The reversal of 158490227 is 722094851.

It is a cyclic number.

It is not a de Polignac number, because 158490227 - 2¹⁶ = 158424691 is a prime.

It is a super-3 number, since 3×158490227³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158490287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136883 + ... + 138035.

It is an arithmetic number, because the mean of its divisors is an integer number (11528460).

Almost surely, 2^158490227 is an apocalyptic number.

158490227 is a deficient number, since it is larger than the sum of its proper divisors (25965133).

158490227 is a wasteful number, since it uses less digits than its factorization.

158490227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 158490227 is about 12589.2901706172. The cubic root of 158490227 is about 541.1705597345.

The spelling of 158490227 in words is "one hundred fifty-eight million, four hundred ninety thousand, two hundred twenty-seven".