232142240 has 48 divisors (see below), whose sum is σ = 598298400. Its totient is φ = 84414720.

The previous prime is 232142237. The next prime is 232142297. The reversal of 232142240 is 42241232.

232142240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64190 + ... + 67709.

It is an arithmetic number, because the mean of its divisors is an integer number (12464550).

Almost surely, 2^232142240 is an apocalyptic number.

232142240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232142240 is an abundant number, since it is smaller than the sum of its proper divisors (366156160).

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

232142240 is a wasteful number, since it uses less digits than its factorization.

232142240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131925 (or 131917 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 232142240 is about 15236.2147530153. The cubic root of 232142240 is about 614.5889160181.

Adding to 232142240 its reverse (42241232), we get a palindrome (274383472).

The spelling of 232142240 in words is "two hundred thirty-two million, one hundred forty-two thousand, two hundred forty".