150531800 has 48 divisors (see below), whose sum is σ = 350803440. Its totient is φ = 60072320.

The previous prime is 150531769. The next prime is 150531809. The reversal of 150531800 is 8135051.

It is a super-2 number, since 2×150531800² = 45319645622480000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150531809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148094 + ... + 149106.

It is an arithmetic number, because the mean of its divisors is an integer number (7308405).

Almost surely, 2^150531800 is an apocalyptic number.

150531800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150531800 is an abundant number, since it is smaller than the sum of its proper divisors (200271640).

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

150531800 is a wasteful number, since it uses less digits than its factorization.

150531800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772 (or 1763 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 150531800 is about 12269.1401491710. The cubic root of 150531800 is about 531.9564571368.

Adding to 150531800 its reverse (8135051), we get a palindrome (158666851).

The spelling of 150531800 in words is "one hundred fifty million, five hundred thirty-one thousand, eight hundred".