243133052142 has 64 divisors (see below), whose sum is σ = 507216826368. Its totient is φ = 77608320000.

The previous prime is 243133052137. The next prime is 243133052191. The reversal of 243133052142 is 241250331342.

It is a super-2 number, since 2×243133052142² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49911967 + ... + 49916837.

It is an arithmetic number, because the mean of its divisors is an integer number (7925262912).

Almost surely, 2^243133052142 is an apocalyptic number.

243133052142 is an abundant number, since it is smaller than the sum of its proper divisors (264083774226).

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

243133052142 is a wasteful number, since it uses less digits than its factorization.

243133052142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7665.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 243133052142 its reverse (241250331342), we get a palindrome (484383383484).

The spelling of 243133052142 in words is "two hundred forty-three billion, one hundred thirty-three million, fifty-two thousand, one hundred forty-two".