150531507 has 32 divisors (see below), whose sum is σ = 257241600. Its totient is φ = 85217184.

The previous prime is 150531499. The next prime is 150531517. The reversal of 150531507 is 705135051.

150531507 is a `hidden beast` number, since 1 + 505 + 3 + 150 + 7 = 666.

It is not a de Polignac number, because 150531507 - 2³ = 150531499 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (150531517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16948 + ... + 24254.

It is an arithmetic number, because the mean of its divisors is an integer number (8038800).

Almost surely, 2^150531507 is an apocalyptic number.

150531507 is a deficient number, since it is larger than the sum of its proper divisors (106710093).

150531507 is a wasteful number, since it uses less digits than its factorization.

150531507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7432 (or 7426 counting only the distinct ones).

The product of its (nonzero) digits is 2625, while the sum is 27.

The square root of 150531507 is about 12269.1282086381. The cubic root of 150531507 is about 531.9561119975.

Adding to 150531507 its reverse (705135051), we get a palindrome (855666558).

The spelling of 150531507 in words is "one hundred fifty million, five hundred thirty-one thousand, five hundred seven".