150891 has 16 divisors (see below), whose sum is σ = 223776. Its totient is φ = 89856.

The previous prime is 150889. The next prime is 150893. The reversal of 150891 is 198051.

It is an interprime number because it is at equal distance from previous prime (150889) and next prime (150893).

It is not a de Polignac number, because 150891 - 2¹ = 150889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (150893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2031 + ... + 2103.

It is an arithmetic number, because the mean of its divisors is an integer number (13986).

2¹⁵⁰⁸⁹¹ is an apocalyptic number.

150891 is a deficient number, since it is larger than the sum of its proper divisors (72885).

150891 is a wasteful number, since it uses less digits than its factorization.

150891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142.

The product of its (nonzero) digits is 360, while the sum is 24.

The square root of 150891 is about 388.4469075691. The cubic root of 150891 is about 53.2379240398.

The spelling of 150891 in words is "one hundred fifty thousand, eight hundred ninety-one".