158020550 has 12 divisors (see below), whose sum is σ = 293918316. Its totient is φ = 63208200.

The previous prime is 158020543. The next prime is 158020573. The reversal of 158020550 is 55020851.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1580156 + ... + 1580255.

It is an arithmetic number, because the mean of its divisors is an integer number (24493193).

Almost surely, 2^158020550 is an apocalyptic number.

158020550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

158020550 is a deficient number, since it is larger than the sum of its proper divisors (135897766).

158020550 is a wasteful number, since it uses less digits than its factorization.

158020550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3160423 (or 3160418 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 158020550 is about 12570.6224985082. The cubic root of 158020550 is about 540.6354544850.

The spelling of 158020550 in words is "one hundred fifty-eight million, twenty thousand, five hundred fifty".