158431182428 has 6 divisors (see below), whose sum is σ = 277254569256. Its totient is φ = 79215591212.

The previous prime is 158431182401. The next prime is 158431182433. The reversal of 158431182428 is 824281134851.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19803897800 + ... + 19803897807.

It is an arithmetic number, because the mean of its divisors is an integer number (46209094876).

Almost surely, 2^158431182428 is an apocalyptic number.

It is an amenable number.

158431182428 is a deficient number, since it is larger than the sum of its proper divisors (118823386828).

158431182428 is a wasteful number, since it uses less digits than its factorization.

158431182428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39607795611 (or 39607795609 counting only the distinct ones).

The product of its digits is 491520, while the sum is 47.

The spelling of 158431182428 in words is "one hundred fifty-eight billion, four hundred thirty-one million, one hundred eighty-two thousand, four hundred twenty-eight".