150505251 has 32 divisors (see below), whose sum is σ = 229850880. Its totient is φ = 86832000.

The previous prime is 150505247. The next prime is 150505259. The reversal of 150505251 is 152505051.

It is not a de Polignac number, because 150505251 - 2² = 150505247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (150505259) 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 31 ways as a sum of consecutive naturals, for example, 73836 + ... + 75846.

It is an arithmetic number, because the mean of its divisors is an integer number (7182840).

Almost surely, 2^150505251 is an apocalyptic number.

150505251 is a deficient number, since it is larger than the sum of its proper divisors (79345629).

150505251 is a wasteful number, since it uses less digits than its factorization.

150505251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2147.

The product of its (nonzero) digits is 1250, while the sum is 24.

The square root of 150505251 is about 12268.0581593013. The cubic root of 150505251 is about 531.9251819238.

It can be divided in two parts, 15050 and 5251, that added together give a triangular number (20301 = T₂₀₁).

The spelling of 150505251 in words is "one hundred fifty million, five hundred five thousand, two hundred fifty-one".