150981868 has 12 divisors (see below), whose sum is σ = 264365640. Its totient is φ = 75448832.

The previous prime is 150981863. The next prime is 150981869. The reversal of 150981868 is 868189051.

It is not an unprimeable number, because it can be changed into a prime (150981863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1621 + ... + 17452.

It is an arithmetic number, because the mean of its divisors is an integer number (22030470).

Almost surely, 2^150981868 is an apocalyptic number.

It is an amenable number.

150981868 is a deficient number, since it is larger than the sum of its proper divisors (113383772).

150981868 is a wasteful number, since it uses less digits than its factorization.

150981868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21056 (or 21054 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 46.

The square root of 150981868 is about 12287.4679246784. The cubic root of 150981868 is about 532.4860869061.

The spelling of 150981868 in words is "one hundred fifty million, nine hundred eighty-one thousand, eight hundred sixty-eight".