150446661 has 4 divisors (see below), whose sum is σ = 200595552. Its totient is φ = 100297772.

The previous prime is 150446633. The next prime is 150446669. The reversal of 150446661 is 166644051.

It is a happy number.

150446661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 150446661 - 2¹⁷ = 150315589 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150446669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25074441 + ... + 25074446.

It is an arithmetic number, because the mean of its divisors is an integer number (50148888).

Almost surely, 2^150446661 is an apocalyptic number.

It is an amenable number.

150446661 is a deficient number, since it is larger than the sum of its proper divisors (50148891).

150446661 is an equidigital number, since it uses as much as digits as its factorization.

150446661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50148890.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 150446661 is about 12265.6700183887. The cubic root of 150446661 is about 531.8561488033.

The spelling of 150446661 in words is "one hundred fifty million, four hundred forty-six thousand, six hundred sixty-one".