150871897 has 4 divisors (see below), whose sum is σ = 164587536. Its totient is φ = 137156260.

The previous prime is 150871883. The next prime is 150871901. The reversal of 150871897 is 798178051.

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, and also an emirpimes, since its reverse is a distinct semiprime: 798178051 = 11 ⋅72561641.

It is a cyclic number.

It is not a de Polignac number, because 150871897 - 2⁷ = 150871769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150871807) 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, 6857803 + ... + 6857824.

It is an arithmetic number, because the mean of its divisors is an integer number (41146884).

Almost surely, 2^150871897 is an apocalyptic number.

It is an amenable number.

150871897 is a deficient number, since it is larger than the sum of its proper divisors (13715639).

150871897 is a wasteful number, since it uses less digits than its factorization.

150871897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13715638.

The product of its (nonzero) digits is 141120, while the sum is 46.

The square root of 150871897 is about 12282.9921843173. The cubic root of 150871897 is about 532.3567728117.

The spelling of 150871897 in words is "one hundred fifty million, eight hundred seventy-one thousand, eight hundred ninety-seven".