150204240 has 80 divisors (see below), whose sum is σ = 517377600. Its totient is φ = 40053888.

The previous prime is 150204227. The next prime is 150204277. The reversal of 150204240 is 42402051.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×150204240² = 45122627427955200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32610 + ... + 36929.

It is an arithmetic number, because the mean of its divisors is an integer number (6467220).

Almost surely, 2^150204240 is an apocalyptic number.

150204240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150204240 is an abundant number, since it is smaller than the sum of its proper divisors (367173360).

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

150204240 is a wasteful number, since it uses less digits than its factorization.

150204240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69561 (or 69549 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 150204240 is about 12255.7839406543. The cubic root of 150204240 is about 531.5703278742.

Adding to 150204240 its reverse (42402051), we get a palindrome (192606291).

The spelling of 150204240 in words is "one hundred fifty million, two hundred four thousand, two hundred forty".