150012500 has 72 divisors (see below), whose sum is σ = 358289568. Its totient is φ = 54500000.

The previous prime is 150012497. The next prime is 150012521. The reversal of 150012500 is 5210051.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136955 + ... + 138045.

It is an arithmetic number, because the mean of its divisors is an integer number (4976244).

Almost surely, 2^150012500 is an apocalyptic number.

150012500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 150012500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179144784).

150012500 is an abundant number, since it is smaller than the sum of its proper divisors (208277068).

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

150012500 is a wasteful number, since it uses less digits than its factorization.

150012500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131 (or 1109 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 150012500 is about 12247.9590136479. The cubic root of 150012500 is about 531.3440433281.

Adding to 150012500 its reverse (5210051), we get a palindrome (155222551).

The spelling of 150012500 in words is "one hundred fifty million, twelve thousand, five hundred".