150515000 has 40 divisors (see below), whose sum is σ = 352668360. Its totient is φ = 60204000.

The previous prime is 150514993. The next prime is 150515003. The reversal of 150515000 is 515051.

150515000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 150515000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150515003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10052 + ... + 20051.

It is an arithmetic number, because the mean of its divisors is an integer number (8816709).

Almost surely, 2^150515000 is an apocalyptic number.

150515000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150515000 is an abundant number, since it is smaller than the sum of its proper divisors (202153360).

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

150515000 is an equidigital number, since it uses as much as digits as its factorization.

150515000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30129 (or 30110 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 17.

The square root of 150515000 is about 12268.4554855124. The cubic root of 150515000 is about 531.9366668534.

The spelling of 150515000 in words is "one hundred fifty million, five hundred fifteen thousand".