150751997 has 4 divisors (see below), whose sum is σ = 164456736. Its totient is φ = 137047260.

The previous prime is 150751973. The next prime is 150751999. The reversal of 150751997 is 799157051.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150751997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150751999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6852353 + ... + 6852374.

It is an arithmetic number, because the mean of its divisors is an integer number (41114184).

Almost surely, 2^150751997 is an apocalyptic number.

It is an amenable number.

150751997 is a deficient number, since it is larger than the sum of its proper divisors (13704739).

150751997 is a wasteful number, since it uses less digits than its factorization.

150751997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13704738.

The product of its (nonzero) digits is 99225, while the sum is 44.

The square root of 150751997 is about 12278.1104816661. The cubic root of 150751997 is about 532.2157116542.

The spelling of 150751997 in words is "one hundred fifty million, seven hundred fifty-one thousand, nine hundred ninety-seven".