150721285 has 32 divisors (see below), whose sum is σ = 215550720. Its totient is φ = 99724800.

The previous prime is 150721283. The next prime is 150721327. The reversal of 150721285 is 582127051.

It is not a de Polignac number, because 150721285 - 2¹ = 150721283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150721283) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49281 + ... + 52249.

It is an arithmetic number, because the mean of its divisors is an integer number (6735960).

Almost surely, 2^150721285 is an apocalyptic number.

It is an amenable number.

150721285 is a deficient number, since it is larger than the sum of its proper divisors (64829435).

150721285 is a wasteful number, since it uses less digits than its factorization.

150721285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3069.

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 150721285 is about 12276.8597369197. The cubic root of 150721285 is about 532.1795672595.

The spelling of 150721285 in words is "one hundred fifty million, seven hundred twenty-one thousand, two hundred eighty-five".