243135002254 has 32 divisors (see below), whose sum is σ = 393678552960. Its totient is φ = 112246495200.

The previous prime is 243135002251. The next prime is 243135002261. The reversal of 243135002254 is 452200531342.

It is a super-2 number, since 2×243135002254² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243135002251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 591889 + ... + 914659.

It is an arithmetic number, because the mean of its divisors is an integer number (12302454780).

Almost surely, 2^243135002254 is an apocalyptic number.

243135002254 is a deficient number, since it is larger than the sum of its proper divisors (150543550706).

243135002254 is a wasteful number, since it uses less digits than its factorization.

243135002254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323296.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 243135002254 its reverse (452200531342), we get a palindrome (695335533596).

The spelling of 243135002254 in words is "two hundred forty-three billion, one hundred thirty-five million, two thousand, two hundred fifty-four".