158031078 has 8 divisors (see below), whose sum is σ = 316062168. Its totient is φ = 52677024.

The previous prime is 158031077. The next prime is 158031119. The reversal of 158031078 is 870130851.

It is a sphenic number, since it is the product of 3 distinct primes.

158031078 is an admirable number.

It is a super-2 number, since 2×158031078² = 49947643227684168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158031073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13169251 + ... + 13169262.

It is an arithmetic number, because the mean of its divisors is an integer number (39507771).

Almost surely, 2^158031078 is an apocalyptic number.

158031078 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

158031078 is a wasteful number, since it uses less digits than its factorization.

158031078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26338518.

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 158031078 is about 12571.0412456566. The cubic root of 158031078 is about 540.6474606949.

The spelling of 158031078 in words is "one hundred fifty-eight million, thirty-one thousand, seventy-eight".