150561075 has 72 divisors (see below), whose sum is σ = 295414128. Its totient is φ = 67441920.

The previous prime is 150561053. The next prime is 150561083. The reversal of 150561075 is 570165051.

150561075 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 150561075 - 2⁷ = 150560947 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 194389 + ... + 195161.

It is an arithmetic number, because the mean of its divisors is an integer number (4102974).

Almost surely, 2^150561075 is an apocalyptic number.

150561075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

150561075 is a deficient number, since it is larger than the sum of its proper divisors (144853053).

150561075 is a wasteful number, since it uses less digits than its factorization.

150561075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853 (or 841 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 30.

The square root of 150561075 is about 12270.3331250623. Note that the first 3 decimals coincide. The cubic root of 150561075 is about 531.9909393655.

The spelling of 150561075 in words is "one hundred fifty million, five hundred sixty-one thousand, seventy-five".