150002991 has 24 divisors (see below), whose sum is σ = 223052544. Its totient is φ = 97091280.

The previous prime is 150002977. The next prime is 150002999. The reversal of 150002991 is 199200051.

It is a happy number.

It is not a de Polignac number, because 150002991 - 2⁶ = 150002927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150002999) 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, 54060 + ... + 56766.

It is an arithmetic number, because the mean of its divisors is an integer number (9293856).

Almost surely, 2^150002991 is an apocalyptic number.

150002991 is a deficient number, since it is larger than the sum of its proper divisors (73049553).

150002991 is a wasteful number, since it uses less digits than its factorization.

150002991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2891 (or 2888 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 27.

The square root of 150002991 is about 12247.5708203709. The cubic root of 150002991 is about 531.3328161365.

The spelling of 150002991 in words is "one hundred fifty million, two thousand, nine hundred ninety-one".