240157252 has 12 divisors (see below), whose sum is σ = 420383740. Its totient is φ = 120047616.

The previous prime is 240157243. The next prime is 240157259. The reversal of 240157252 is 252751042.

240157252 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 129823236 + 110334016 = 11394^2 + 10504^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 240157252.

It is not an unprimeable number, because it can be changed into a prime (240157259) 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, 25948 + ... + 33964.

Almost surely, 2^240157252 is an apocalyptic number.

It is an amenable number.

240157252 is a deficient number, since it is larger than the sum of its proper divisors (180226488).

240157252 is a wasteful number, since it uses less digits than its factorization.

240157252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15510 (or 15508 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 240157252 is about 15497.0078402252. The cubic root of 240157252 is about 621.5821989263.

The spelling of 240157252 in words is "two hundred forty million, one hundred fifty-seven thousand, two hundred fifty-two".