150214531 has 4 divisors (see below), whose sum is σ = 152760600. Its totient is φ = 147668464.

The previous prime is 150214511. The next prime is 150214543. The reversal of 150214531 is 135412051.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 135412051 = 229 ⋅591319.

It is a cyclic number.

It is not a de Polignac number, because 150214531 - 2¹⁹ = 149690243 is a prime.

It is a super-2 number, since 2×150214531² = 45128810647099922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150214511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1272946 + ... + 1273063.

It is an arithmetic number, because the mean of its divisors is an integer number (38190150).

Almost surely, 2^150214531 is an apocalyptic number.

150214531 is a deficient number, since it is larger than the sum of its proper divisors (2546069).

150214531 is an equidigital number, since it uses as much as digits as its factorization.

150214531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2546068.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 150214531 is about 12256.2037760475. The cubic root of 150214531 is about 531.5824674900.

Adding to 150214531 its reverse (135412051), we get a palindrome (285626582).

The spelling of 150214531 in words is "one hundred fifty million, two hundred fourteen thousand, five hundred thirty-one".