150072639 has 4 divisors (see below), whose sum is σ = 200096856. Its totient is φ = 100048424.

The previous prime is 150072619. The next prime is 150072647. The reversal of 150072639 is 936270051.

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 150072639 - 2⁷ = 150072511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150072619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25012104 + ... + 25012109.

It is an arithmetic number, because the mean of its divisors is an integer number (50024214).

Almost surely, 2^150072639 is an apocalyptic number.

150072639 is a deficient number, since it is larger than the sum of its proper divisors (50024217).

150072639 is an equidigital number, since it uses as much as digits as its factorization.

150072639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50024216.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 150072639 is about 12250.4138297447. The cubic root of 150072639 is about 531.4150379236.

The spelling of 150072639 in words is "one hundred fifty million, seventy-two thousand, six hundred thirty-nine".