150665105 has 4 divisors (see below), whose sum is σ = 180798132. Its totient is φ = 120532080.

The previous prime is 150665083. The next prime is 150665107. The reversal of 150665105 is 501566051.

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

It can be written as a sum of positive squares in 2 ways, for example, as 67782289 + 82882816 = 8233^2 + 9104^2 .

It is not a de Polignac number, because 150665105 - 2¹² = 150661009 is a prime.

It is a super-2 number, since 2×150665105² = 45399947729322050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150665107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15066506 + ... + 15066515.

It is an arithmetic number, because the mean of its divisors is an integer number (45199533).

Almost surely, 2^150665105 is an apocalyptic number.

It is an amenable number.

150665105 is a deficient number, since it is larger than the sum of its proper divisors (30133027).

150665105 is an equidigital number, since it uses as much as digits as its factorization.

150665105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30133026.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 150665105 is about 12274.5714792819. The cubic root of 150665105 is about 532.1134373306.

The spelling of 150665105 in words is "one hundred fifty million, six hundred sixty-five thousand, one hundred five".