150666025 has 6 divisors (see below), whose sum is σ = 186825902. Its totient is φ = 120532800.

The previous prime is 150666011. The next prime is 150666059. The reversal of 150666025 is 520666051.

It can be written as a sum of positive squares in 3 ways, for example, as 1557504 + 149108521 = 1248^2 + 12211^2 .

It is not a de Polignac number, because 150666025 - 2¹⁹ = 150141737 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 3013296 + ... + 3013345.

Almost surely, 2^150666025 is an apocalyptic number.

It is an amenable number.

150666025 is a deficient number, since it is larger than the sum of its proper divisors (36159877).

150666025 is an equidigital number, since it uses as much as digits as its factorization.

150666025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6026651 (or 6026646 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 150666025 is about 12274.6089550747. The cubic root of 150666025 is about 532.1145204024.

The spelling of 150666025 in words is "one hundred fifty million, six hundred sixty-six thousand, twenty-five".