150814993 has 24 divisors (see below), whose sum is σ = 182710080. Its totient is φ = 123973920.

The previous prime is 150814987. The next prime is 150815009. The reversal of 150814993 is 399418051.

It is a de Polignac number, because none of the positive numbers 2^k-150814993 is a prime.

It is a super-2 number, since 2×150814993² = 45490324227180098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (150814903) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 299580 + ... + 300082.

It is an arithmetic number, because the mean of its divisors is an integer number (7612920).

Almost surely, 2^150814993 is an apocalyptic number.

It is an amenable number.

150814993 is a deficient number, since it is larger than the sum of its proper divisors (31895087).

150814993 is a wasteful number, since it uses less digits than its factorization.

150814993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757 (or 750 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 150814993 is about 12280.6755921651. The cubic root of 150814993 is about 532.2898351431.

The spelling of 150814993 in words is "one hundred fifty million, eight hundred fourteen thousand, nine hundred ninety-three".