150665653 has 4 divisors (see below), whose sum is σ = 150703488. Its totient is φ = 150627820.

The previous prime is 150665651. The next prime is 150665659. The reversal of 150665653 is 356566051.

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: 356566051 = 107 ⋅3332393.

It is a cyclic number.

It is not a de Polignac number, because 150665653 - 2¹ = 150665651 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150665651) 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, 12133 + ... + 21178.

It is an arithmetic number, because the mean of its divisors is an integer number (37675872).

Almost surely, 2^150665653 is an apocalyptic number.

It is an amenable number.

150665653 is a deficient number, since it is larger than the sum of its proper divisors (37835).

150665653 is an equidigital number, since it uses as much as digits as its factorization.

150665653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37834.

The product of its (nonzero) digits is 81000, while the sum is 37.

The square root of 150665653 is about 12274.5938018331. The cubic root of 150665653 is about 532.1140824652.

The spelling of 150665653 in words is "one hundred fifty million, six hundred sixty-five thousand, six hundred fifty-three".