150665013 has 12 divisors (see below), whose sum is σ = 217739340. Its totient is φ = 100391616.

The previous prime is 150664981. The next prime is 150665029. The reversal of 150665013 is 310566051.

It is a happy number.

150665013 is a `hidden beast` number, since 1 + 5 + 0 + 6 + 650 + 1 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 80407089 + 70257924 = 8967^2 + 8382^2 .

It is not a de Polignac number, because 150665013 - 2⁵ = 150664981 is a prime.

It is a super-2 number, since 2×150665013² = 45399892284580338, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150665083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23743 + ... + 29411.

It is an arithmetic number, because the mean of its divisors is an integer number (18144945).

Almost surely, 2^150665013 is an apocalyptic number.

It is an amenable number.

150665013 is a deficient number, since it is larger than the sum of its proper divisors (67074327).

150665013 is a wasteful number, since it uses less digits than its factorization.

150665013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8628 (or 8625 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 150665013 is about 12274.5677316963. The cubic root of 150665013 is about 532.1133290232.

The spelling of 150665013 in words is "one hundred fifty million, six hundred sixty-five thousand, thirteen".