150665465 has 4 divisors (see below), whose sum is σ = 180798564. Its totient is φ = 120532368.

The previous prime is 150665461. The next prime is 150665467. The reversal of 150665465 is 564566051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 564566051 = 7 ⋅80652293.

It can be written as a sum of positive squares in 2 ways, for example, as 112423609 + 38241856 = 10603^2 + 6184^2 .

It is a cyclic number.

It is not a de Polignac number, because 150665465 - 2² = 150665461 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150665461) 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, 15066542 + ... + 15066551.

It is an arithmetic number, because the mean of its divisors is an integer number (45199641).

Almost surely, 2^150665465 is an apocalyptic number.

It is an amenable number.

150665465 is a deficient number, since it is larger than the sum of its proper divisors (30133099).

150665465 is an equidigital number, since it uses as much as digits as its factorization.

150665465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30133098.

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 150665465 is about 12274.5861437362. The cubic root of 150665465 is about 532.1138611418.

The spelling of 150665465 in words is "one hundred fifty million, six hundred sixty-five thousand, four hundred sixty-five".