243053142 has 16 divisors (see below), whose sum is σ = 486598320. Its totient is φ = 80935712.

The previous prime is 243053087. The next prime is 243053143. The reversal of 243053142 is 241350342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243053143) 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, 13917 + ... + 26072.

It is an arithmetic number, because the mean of its divisors is an integer number (30412395).

Almost surely, 2^243053142 is an apocalyptic number.

243053142 is an abundant number, since it is smaller than the sum of its proper divisors (243545178).

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

243053142 is a wasteful number, since it uses less digits than its factorization.

243053142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41007.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 243053142 is about 15590.1617053833. The cubic root of 243053142 is about 624.0706332355.

The spelling of 243053142 in words is "two hundred forty-three million, fifty-three thousand, one hundred forty-two".