150979893 has 4 divisors (see below), whose sum is σ = 201306528. Its totient is φ = 100653260.

The previous prime is 150979861. The next prime is 150979897. The reversal of 150979893 is 398979051.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 398979051 = 3 ⋅132993017.

It is a cyclic number.

It is not a de Polignac number, because 150979893 - 2⁵ = 150979861 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150979897) 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, 25163313 + ... + 25163318.

It is an arithmetic number, because the mean of its divisors is an integer number (50326632).

Almost surely, 2^150979893 is an apocalyptic number.

It is an amenable number.

150979893 is a deficient number, since it is larger than the sum of its proper divisors (50326635).

150979893 is an equidigital number, since it uses as much as digits as its factorization.

150979893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50326634.

The product of its (nonzero) digits is 612360, while the sum is 51.

The square root of 150979893 is about 12287.3875579799. The cubic root of 150979893 is about 532.4837650718.

The spelling of 150979893 in words is "one hundred fifty million, nine hundred seventy-nine thousand, eight hundred ninety-three".