150644992 has 36 divisors (see below), whose sum is σ = 302358700. Its totient is φ = 74907648.

The previous prime is 150644983. The next prime is 150645013. The reversal of 150644992 is 299446051.

It can be written as a sum of positive squares in 2 ways, for example, as 25563136 + 125081856 = 5056^2 + 11184^2 .

It is a super-2 number, since 2×150644992² = 45387827229360128, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47884 + ... + 50932.

Almost surely, 2^150644992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 150644992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151179350).

150644992 is an abundant number, since it is smaller than the sum of its proper divisors (151713708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

150644992 is an equidigital number, since it uses as much as digits as its factorization.

150644992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3258 (or 3244 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 150644992 is about 12273.7521565331. The cubic root of 150644992 is about 532.0897581607.

The spelling of 150644992 in words is "one hundred fifty million, six hundred forty-four thousand, nine hundred ninety-two".