150312225 has 48 divisors (see below), whose sum is σ = 285696000. Its totient is φ = 68308800.

The previous prime is 150312221. The next prime is 150312257. The reversal of 150312225 is 522213051.

It is not a de Polignac number, because 150312225 - 2² = 150312221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (150312221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 99526 + ... + 101024.

It is an arithmetic number, because the mean of its divisors is an integer number (5952000).

Almost surely, 2^150312225 is an apocalyptic number.

150312225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

150312225 is a deficient number, since it is larger than the sum of its proper divisors (135383775).

150312225 is a wasteful number, since it uses less digits than its factorization.

150312225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710 (or 1705 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 150312225 is about 12260.1886200825. The cubic root of 150312225 is about 531.6976830709.

Adding to 150312225 its reverse (522213051), we get a palindrome (672525276).

The spelling of 150312225 in words is "one hundred fifty million, three hundred twelve thousand, two hundred twenty-five".