150021656 has 16 divisors (see below), whose sum is σ = 281581440. Its totient is φ = 74933280.

The previous prime is 150021649. The next prime is 150021659. The reversal of 150021656 is 656120051.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150021659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1016 + ... + 17351.

It is an arithmetic number, because the mean of its divisors is an integer number (17598840).

Almost surely, 2^150021656 is an apocalyptic number.

It is an amenable number.

150021656 is a deficient number, since it is larger than the sum of its proper divisors (131559784).

150021656 is a wasteful number, since it uses less digits than its factorization.

150021656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19394 (or 19390 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 150021656 is about 12248.3327845058. The cubic root of 150021656 is about 531.3548532875.

The spelling of 150021656 in words is "one hundred fifty million, twenty-one thousand, six hundred fifty-six".