158731430 has 48 divisors (see below), whose sum is σ = 338243472. Its totient is φ = 53275200.

The previous prime is 158731429. The next prime is 158731457. The reversal of 158731430 is 34137851.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10685 + ... + 20775.

It is an arithmetic number, because the mean of its divisors is an integer number (7046739).

Almost surely, 2^158731430 is an apocalyptic number.

158731430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

158731430 is an abundant number, since it is smaller than the sum of its proper divisors (179512042).

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

158731430 is a wasteful number, since it uses less digits than its factorization.

158731430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10133 (or 10122 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 158731430 is about 12598.8662188310. The cubic root of 158731430 is about 541.4449526796. Note that the first 3 decimals are identical.

The spelling of 158731430 in words is "one hundred fifty-eight million, seven hundred thirty-one thousand, four hundred thirty".