150971 has 4 divisors (see below), whose sum is σ = 151872. Its totient is φ = 150072.

The previous prime is 150967. The next prime is 150979. The reversal of 150971 is 179051.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 150971 - 2² = 150967 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 (150979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116 + ... + 561.

It is an arithmetic number, because the mean of its divisors is an integer number (37968).

2¹⁵⁰⁹⁷¹ is an apocalyptic number.

150971 is a deficient number, since it is larger than the sum of its proper divisors (901).

150971 is an equidigital number, since it uses as much as digits as its factorization.

150971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900.

The product of its (nonzero) digits is 315, while the sum is 23.

The square root of 150971 is about 388.5498680993. The cubic root of 150971 is about 53.2473310101.

The spelling of 150971 in words is "one hundred fifty thousand, nine hundred seventy-one".