150252391 has 8 divisors (see below), whose sum is σ = 154430720. Its totient is φ = 146131128.

The previous prime is 150252359. The next prime is 150252397. The reversal of 150252391 is 193252051.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 150252391 - 2⁵ = 150252359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150252397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8901 + ... + 19486.

It is an arithmetic number, because the mean of its divisors is an integer number (19303840).

Almost surely, 2^150252391 is an apocalyptic number.

150252391 is a deficient number, since it is larger than the sum of its proper divisors (4178329).

150252391 is an equidigital number, since it uses as much as digits as its factorization.

150252391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28533.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 150252391 is about 12257.7482026676. The cubic root of 150252391 is about 531.6271236705.

The spelling of 150252391 in words is "one hundred fifty million, two hundred fifty-two thousand, three hundred ninety-one".