150476721 has 4 divisors (see below), whose sum is σ = 200635632. Its totient is φ = 100317812.

The previous prime is 150476701. The next prime is 150476723. The reversal of 150476721 is 127674051.

150476721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 127674051 = 3 ⋅42558017.

It is a cyclic number.

It is not a de Polignac number, because 150476721 - 2¹⁰ = 150475697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (150476723) 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, 25079451 + ... + 25079456.

It is an arithmetic number, because the mean of its divisors is an integer number (50158908).

Almost surely, 2^150476721 is an apocalyptic number.

It is an amenable number.

150476721 is a deficient number, since it is larger than the sum of its proper divisors (50158911).

150476721 is an equidigital number, since it uses as much as digits as its factorization.

150476721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50158910.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 150476721 is about 12266.8953284847. The cubic root of 150476721 is about 531.8915689560.

The spelling of 150476721 in words is "one hundred fifty million, four hundred seventy-six thousand, seven hundred twenty-one".