158778112 has 18 divisors (see below), whose sum is σ = 316936508. Its totient is φ = 79388928.

The previous prime is 158778091. The next prime is 158778119. The reversal of 158778112 is 211877851.

It is not an unprimeable number, because it can be changed into a prime (158778119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 309858 + ... + 310369.

Almost surely, 2^158778112 is an apocalyptic number.

It is an amenable number.

158778112 is a deficient number, since it is larger than the sum of its proper divisors (158158396).

158778112 is an frugal number, since it uses more digits than its factorization.

158778112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620243 (or 620229 counting only the distinct ones).

The product of its digits is 31360, while the sum is 40.

The square root of 158778112 is about 12600.7187096610. The cubic root of 158778112 is about 541.4980260919.

The spelling of 158778112 in words is "one hundred fifty-eight million, seven hundred seventy-eight thousand, one hundred twelve".