150531125 has 16 divisors (see below), whose sum is σ = 191056320. Its totient is φ = 118378000.

The previous prime is 150531119. The next prime is 150531149. The reversal of 150531125 is 521135051.

It is a happy number.

It is not a de Polignac number, because 150531125 - 2⁶ = 150531061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 150531125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2831 + ... + 17580.

It is an arithmetic number, because the mean of its divisors is an integer number (11941020).

Almost surely, 2^150531125 is an apocalyptic number.

It is an amenable number.

150531125 is a deficient number, since it is larger than the sum of its proper divisors (40525195).

150531125 is an equidigital number, since it uses as much as digits as its factorization.

150531125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20485 (or 20475 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 150531125 is about 12269.1126411000. The cubic root of 150531125 is about 531.9556620199.

Adding to 150531125 its reverse (521135051), we get a palindrome (671666176).

The spelling of 150531125 in words is "one hundred fifty million, five hundred thirty-one thousand, one hundred twenty-five".