243402245125 has 128 divisors (see below), whose sum is σ = 356479958016. Its totient is φ = 164275200000.

The previous prime is 243402245111. The next prime is 243402245161. The reversal of 243402245125 is 521542204342.

It is not a de Polignac number, because 243402245125 - 2²⁷ = 243268027397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 352246030 + ... + 352246720.

It is an arithmetic number, because the mean of its divisors is an integer number (2784999672).

Almost surely, 2^243402245125 is an apocalyptic number.

243402245125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

243402245125 is a deficient number, since it is larger than the sum of its proper divisors (113077712891).

243402245125 is a wasteful number, since it uses less digits than its factorization.

243402245125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088 (or 1078 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 243402245125 its reverse (521542204342), we get a palindrome (764944449467).

The spelling of 243402245125 in words is "two hundred forty-three billion, four hundred two million, two hundred forty-five thousand, one hundred twenty-five".