150232661 has 2 divisors, whose sum is σ = 150232662. Its totient is φ = 150232660.

The previous prime is 150232657. The next prime is 150232717. The reversal of 150232661 is 166232051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77880625 + 72352036 = 8825^2 + 8506^2 .

It is a cyclic number.

It is not a de Polignac number, because 150232661 - 2² = 150232657 is a prime.

It is a super-2 number, since 2×150232661² = 45139704862281842, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 150232661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150232261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75116330 + 75116331.

It is an arithmetic number, because the mean of its divisors is an integer number (75116331).

Almost surely, 2^150232661 is an apocalyptic number.

It is an amenable number.

150232661 is a deficient number, since it is larger than the sum of its proper divisors (1).

150232661 is an equidigital number, since it uses as much as digits as its factorization.

150232661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 150232661 is about 12256.9433791627. The cubic root of 150232661 is about 531.6038529098.

The spelling of 150232661 in words is "one hundred fifty million, two hundred thirty-two thousand, six hundred sixty-one".