150115613 has 4 divisors (see below), whose sum is σ = 150301980. Its totient is φ = 149929248.

The previous prime is 150115597. The next prime is 150115619. The reversal of 150115613 is 316511051.

150115613 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.

It can be written as a sum of positive squares in 2 ways, for example, as 120934009 + 29181604 = 10997^2 + 5402^2 .

It is a cyclic number.

It is not a de Polignac number, because 150115613 - 2⁴ = 150115597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150115619) 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, 91970 + ... + 93587.

It is an arithmetic number, because the mean of its divisors is an integer number (37575495).

Almost surely, 2^150115613 is an apocalyptic number.

It is an amenable number.

150115613 is a deficient number, since it is larger than the sum of its proper divisors (186367).

150115613 is an equidigital number, since it uses as much as digits as its factorization.

150115613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186366.

The product of its (nonzero) digits is 450, while the sum is 23.

The square root of 150115613 is about 12252.1676857608. The cubic root of 150115613 is about 531.4657574741.

Adding to 150115613 its reverse (316511051), we get a palindrome (466626664).

The spelling of 150115613 in words is "one hundred fifty million, one hundred fifteen thousand, six hundred thirteen".