150856181 has 16 divisors (see below), whose sum is σ = 192159360. Its totient is φ = 115292160.

The previous prime is 150856177. The next prime is 150856187. The reversal of 150856181 is 181658051.

It is a cyclic number.

It is not a de Polignac number, because 150856181 - 2² = 150856177 is a prime.

It is a super-2 number, since 2×150856181² = 45515174691809522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150856187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31100 + ... + 35621.

It is an arithmetic number, because the mean of its divisors is an integer number (12009960).

Almost surely, 2^150856181 is an apocalyptic number.

It is an amenable number.

150856181 is a deficient number, since it is larger than the sum of its proper divisors (41303179).

150856181 is a wasteful number, since it uses less digits than its factorization.

150856181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66764.

The product of its (nonzero) digits is 9600, while the sum is 35.

The square root of 150856181 is about 12282.3524212587. The cubic root of 150856181 is about 532.3382873510.

The spelling of 150856181 in words is "one hundred fifty million, eight hundred fifty-six thousand, one hundred eighty-one".