150391900 has 18 divisors (see below), whose sum is σ = 326350640. Its totient is φ = 60156720.

The previous prime is 150391873. The next prime is 150391903. The reversal of 150391900 is 9193051.

150391900 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×150391900² = 45235447171220000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150391903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 751860 + ... + 752059.

Almost surely, 2^150391900 is an apocalyptic number.

150391900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150391900 is an abundant number, since it is smaller than the sum of its proper divisors (175958740).

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

150391900 is a wasteful number, since it uses less digits than its factorization.

150391900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1503933 (or 1503926 counting only the distinct ones).

The product of its (nonzero) digits is 1215, while the sum is 28.

The square root of 150391900 is about 12263.4375278712. The cubic root of 150391900 is about 531.7916109602.

The spelling of 150391900 in words is "one hundred fifty million, three hundred ninety-one thousand, nine hundred".