150665240 has 32 divisors (see below), whose sum is σ = 369815760. Its totient is φ = 54787200.

The previous prime is 150665227. The next prime is 150665243. The reversal of 150665240 is 42566051.

150665240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150665243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170771 + ... + 171650.

Almost surely, 2^150665240 is an apocalyptic number.

150665240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150665240 is an abundant number, since it is smaller than the sum of its proper divisors (219150520).

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

150665240 is a wasteful number, since it uses less digits than its factorization.

150665240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342443 (or 342439 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 150665240 is about 12274.5769784543. The cubic root of 150665240 is about 532.1135962599.

The spelling of 150665240 in words is "one hundred fifty million, six hundred sixty-five thousand, two hundred forty".