150431161 has 4 divisors (see below), whose sum is σ = 153631872. Its totient is φ = 147230452.

The previous prime is 150431153. The next prime is 150431167. The reversal of 150431161 is 161134051.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 150431161 - 2³ = 150431153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150431167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1600285 + ... + 1600378.

It is an arithmetic number, because the mean of its divisors is an integer number (38407968).

Almost surely, 2^150431161 is an apocalyptic number.

It is an amenable number.

150431161 is a deficient number, since it is larger than the sum of its proper divisors (3200711).

150431161 is an equidigital number, since it uses as much as digits as its factorization.

150431161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200710.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 150431161 is about 12265.0381572990. The cubic root of 150431161 is about 531.8378830751.

The spelling of 150431161 in words is "one hundred fifty million, four hundred thirty-one thousand, one hundred sixty-one".