150665965 has 4 divisors (see below), whose sum is σ = 180799164. Its totient is φ = 120532768.

The previous prime is 150665959. The next prime is 150665971. The reversal of 150665965 is 569566051.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (150665959) and next prime (150665971).

It can be written as a sum of positive squares in 2 ways, for example, as 103510276 + 47155689 = 10174^2 + 6867^2 .

It is a cyclic number.

It is not a de Polignac number, because 150665965 - 2⁹ = 150665453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15066592 + ... + 15066601.

It is an arithmetic number, because the mean of its divisors is an integer number (45199791).

Almost surely, 2^150665965 is an apocalyptic number.

It is an amenable number.

150665965 is a deficient number, since it is larger than the sum of its proper divisors (30133199).

150665965 is an equidigital number, since it uses as much as digits as its factorization.

150665965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30133198.

The product of its (nonzero) digits is 243000, while the sum is 43.

The square root of 150665965 is about 12274.6065110047. The cubic root of 150665965 is about 532.1144497674.

The spelling of 150665965 in words is "one hundred fifty million, six hundred sixty-five thousand, nine hundred sixty-five".