150421800 has 48 divisors (see below), whose sum is σ = 466309440. Its totient is φ = 40112320.

The previous prime is 150421781. The next prime is 150421801. The reversal of 150421800 is 8124051.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150421801) 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, 124752 + ... + 125951.

It is an arithmetic number, because the mean of its divisors is an integer number (9714780).

Almost surely, 2^150421800 is an apocalyptic number.

150421800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150421800 is an abundant number, since it is smaller than the sum of its proper divisors (315887640).

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

150421800 is a wasteful number, since it uses less digits than its factorization.

150421800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250722 (or 250713 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 150421800 is about 12264.6565381995. The cubic root of 150421800 is about 531.8268511460.

Adding to 150421800 its reverse (8124051), we get a palindrome (158545851).

The spelling of 150421800 in words is "one hundred fifty million, four hundred twenty-one thousand, eight hundred".