150507281 has 4 divisors (see below), whose sum is σ = 150710592. Its totient is φ = 150303972.

The previous prime is 150507257. The next prime is 150507283. The reversal of 150507281 is 182705051.

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 150507281 - 2²⁶ = 83398417 is a prime.

It is a super-2 number, since 2×150507281² = 45304883268025922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150507283) 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, 100541 + ... + 102026.

It is an arithmetic number, because the mean of its divisors is an integer number (37677648).

Almost surely, 2^150507281 is an apocalyptic number.

It is an amenable number.

150507281 is a deficient number, since it is larger than the sum of its proper divisors (203311).

150507281 is an equidigital number, since it uses as much as digits as its factorization.

150507281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203310.

The product of its (nonzero) digits is 2800, while the sum is 29.

The square root of 150507281 is about 12268.1408942023. The cubic root of 150507281 is about 531.9275734312.

The spelling of 150507281 in words is "one hundred fifty million, five hundred seven thousand, two hundred eighty-one".