150665497 has 4 divisors (see below), whose sum is σ = 158595280. Its totient is φ = 142735716.

The previous prime is 150665467. The next prime is 150665533. The reversal of 150665497 is 794566051.

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.

It is a cyclic number.

It is not a de Polignac number, because 150665497 - 2²³ = 142276889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (150665467) 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, 3964863 + ... + 3964900.

It is an arithmetic number, because the mean of its divisors is an integer number (39648820).

Almost surely, 2^150665497 is an apocalyptic number.

It is an amenable number.

150665497 is a deficient number, since it is larger than the sum of its proper divisors (7929783).

150665497 is an equidigital number, since it uses as much as digits as its factorization.

150665497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7929782.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 150665497 is about 12274.5874472424. The cubic root of 150665497 is about 532.1138988139.

The spelling of 150665497 in words is "one hundred fifty million, six hundred sixty-five thousand, four hundred ninety-seven".