150261431 has 4 divisors (see below), whose sum is σ = 150294864. Its totient is φ = 150228000.

The previous prime is 150261421. The next prime is 150261497. The reversal of 150261431 is 134162051.

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 150261431 - 2¹⁸ = 149999287 is a prime.

It is a super-2 number, since 2×150261431² = 45156995292335522, 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 = 150261397 and 150261406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150261421) 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, 8690 + ... + 19391.

It is an arithmetic number, because the mean of its divisors is an integer number (37573716).

Almost surely, 2^150261431 is an apocalyptic number.

150261431 is a deficient number, since it is larger than the sum of its proper divisors (33433).

150261431 is an equidigital number, since it uses as much as digits as its factorization.

150261431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33432.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 150261431 is about 12258.1169434787. The cubic root of 150261431 is about 531.6377853152.

The spelling of 150261431 in words is "one hundred fifty million, two hundred sixty-one thousand, four hundred thirty-one".