150643231 has 4 divisors (see below), whose sum is σ = 152196352. Its totient is φ = 149090112.

The previous prime is 150643211. The next prime is 150643237. The reversal of 150643231 is 132346051.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 150643231 - 2²⁷ = 16425503 is a prime.

It is a super-2 number, since 2×150643231² = 45386766092238722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 150643196 and 150643205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150643237) 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, 776415 + ... + 776608.

It is an arithmetic number, because the mean of its divisors is an integer number (38049088).

Almost surely, 2^150643231 is an apocalyptic number.

150643231 is a deficient number, since it is larger than the sum of its proper divisors (1553121).

150643231 is an equidigital number, since it uses as much as digits as its factorization.

150643231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1553120.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 150643231 is about 12273.6804178698. The cubic root of 150643231 is about 532.0876848233.

Adding to 150643231 its reverse (132346051), we get a palindrome (282989282).

The spelling of 150643231 in words is "one hundred fifty million, six hundred forty-three thousand, two hundred thirty-one".