150666257 has 32 divisors (see below), whose sum is σ = 197210880. Its totient is φ = 111974400.

The previous prime is 150666251. The next prime is 150666259. The reversal of 150666257 is 752666051.

It is a cyclic number.

It is not a de Polignac number, because 150666257 - 2⁸ = 150666001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 150666257.

It is not an unprimeable number, because it can be changed into a prime (150666251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82757 + ... + 84557.

It is an arithmetic number, because the mean of its divisors is an integer number (6162840).

Almost surely, 2^150666257 is an apocalyptic number.

150666257 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

150666257 is a deficient number, since it is larger than the sum of its proper divisors (46544623).

150666257 is a wasteful number, since it uses less digits than its factorization.

150666257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1881.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 150666257 is about 12274.6184054740. The cubic root of 150666257 is about 532.1147935241.

The spelling of 150666257 in words is "one hundred fifty million, six hundred sixty-six thousand, two hundred fifty-seven".