150231 has 4 divisors (see below), whose sum is σ = 200312. Its totient is φ = 100152.

The previous prime is 150223. The next prime is 150239. The reversal of 150231 is 132051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132051 = 3 ⋅44017.

It is an interprime number because it is at equal distance from previous prime (150223) and next prime (150239).

It is not a de Polignac number, because 150231 - 2³ = 150223 is a prime.

It is a super-2 number, since 2×150231² = 45138706722, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25036 + ... + 25041.

It is an arithmetic number, because the mean of its divisors is an integer number (50078).

2¹⁵⁰²³¹ is an apocalyptic number.

150231 is a deficient number, since it is larger than the sum of its proper divisors (50081).

150231 is an equidigital number, since it uses as much as digits as its factorization.

150231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50080.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 150231 is about 387.5964396121. The cubic root of 150231 is about 53.1601893733.

Adding to 150231 its reverse (132051), we get a palindrome (282282).

The spelling of 150231 in words is "one hundred fifty thousand, two hundred thirty-one".