243151332 has 24 divisors (see below), whose sum is σ = 570755136. Its totient is φ = 80564448.

The previous prime is 243151319. The next prime is 243151409. The reversal of 243151332 is 233151342.

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, 58663 + ... + 62670.

It is an arithmetic number, because the mean of its divisors is an integer number (23781464).

Almost surely, 2^243151332 is an apocalyptic number.

It is an amenable number.

243151332 is an abundant number, since it is smaller than the sum of its proper divisors (327603804).

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

243151332 is a wasteful number, since it uses less digits than its factorization.

243151332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121507 (or 121505 counting only the distinct ones).

The product of its digits is 2160, while the sum is 24.

The square root of 243151332 is about 15593.3104887961. The cubic root of 243151332 is about 624.1546604639.

The spelling of 243151332 in words is "two hundred forty-three million, one hundred fifty-one thousand, three hundred thirty-two".