150644513 has 4 divisors (see below), whose sum is σ = 151655700. Its totient is φ = 149633328.

The previous prime is 150644509. The next prime is 150644539. The reversal of 150644513 is 315446051.

It is a happy number.

150644513 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 an emirpimes, since its reverse is a distinct semiprime: 315446051 = 2833 ⋅111347.

It can be written as a sum of positive squares in 2 ways, for example, as 31899904 + 118744609 = 5648^2 + 10897^2 .

It is a cyclic number.

It is not a de Polignac number, because 150644513 - 2² = 150644509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150644113) 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, 505370 + ... + 505667.

It is an arithmetic number, because the mean of its divisors is an integer number (37913925).

Almost surely, 2^150644513 is an apocalyptic number.

It is an amenable number.

150644513 is a deficient number, since it is larger than the sum of its proper divisors (1011187).

150644513 is a wasteful number, since it uses less digits than its factorization.

150644513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011186.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 150644513 is about 12273.7326433323. The cubic root of 150644513 is about 532.0891942051.

The spelling of 150644513 in words is "one hundred fifty million, six hundred forty-four thousand, five hundred thirteen".