150665506 has 4 divisors (see below), whose sum is σ = 225998262. Its totient is φ = 75332752.

The previous prime is 150665467. The next prime is 150665533. The reversal of 150665506 is 605566051.

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

It can be written as a sum of positive squares in only one way, i.e., 146192281 + 4473225 = 12091^2 + 2115^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37666375 + ... + 37666378.

Almost surely, 2^150665506 is an apocalyptic number.

150665506 is a deficient number, since it is larger than the sum of its proper divisors (75332756).

150665506 is an equidigital number, since it uses as much as digits as its factorization.

150665506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75332755.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 150665506 is about 12274.5878138535. The cubic root of 150665506 is about 532.1139094092.

The spelling of 150665506 in words is "one hundred fifty million, six hundred sixty-five thousand, five hundred six".