158061477 has 32 divisors (see below), whose sum is σ = 244629504. Its totient is φ = 88920000.

The previous prime is 158061473. The next prime is 158061479. The reversal of 158061477 is 774160851.

It is not a de Polignac number, because 158061477 - 2² = 158061473 is a prime.

It is a super-2 number, since 2×158061477² = 49966861022843058, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158061473) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 629602 + ... + 629852.

It is an arithmetic number, because the mean of its divisors is an integer number (7644672).

Almost surely, 2^158061477 is an apocalyptic number.

It is an amenable number.

158061477 is a deficient number, since it is larger than the sum of its proper divisors (86568027).

158061477 is a wasteful number, since it uses less digits than its factorization.

158061477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609.

The product of its (nonzero) digits is 47040, while the sum is 39.

The square root of 158061477 is about 12572.2502759053. The cubic root of 158061477 is about 540.6821249493.

The spelling of 158061477 in words is "one hundred fifty-eight million, sixty-one thousand, four hundred seventy-seven".