158472550 has 12 divisors (see below), whose sum is σ = 294759036. Its totient is φ = 63389000.

The previous prime is 158472541. The next prime is 158472551. The reversal of 158472550 is 55274851.

It is a super-2 number, since 2×158472550² = 50227098207005000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158472551) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1584676 + ... + 1584775.

It is an arithmetic number, because the mean of its divisors is an integer number (24563253).

Almost surely, 2^158472550 is an apocalyptic number.

158472550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

158472550 is a deficient number, since it is larger than the sum of its proper divisors (136286486).

158472550 is a wasteful number, since it uses less digits than its factorization.

158472550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3169463 (or 3169458 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 37.

The square root of 158472550 is about 12588.5880860405. The cubic root of 158472550 is about 541.1504394031.

The spelling of 158472550 in words is "one hundred fifty-eight million, four hundred seventy-two thousand, five hundred fifty".