243125444454 has 16 divisors (see below), whose sum is σ = 507392232192. Its totient is φ = 77518257608.

The previous prime is 243125444453. The next prime is 243125444467. The reversal of 243125444454 is 454444521342.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243125444453) 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, 880889154 + ... + 880889429.

It is an arithmetic number, because the mean of its divisors is an integer number (31712014512).

Almost surely, 2^243125444454 is an apocalyptic number.

243125444454 is an abundant number, since it is smaller than the sum of its proper divisors (264266787738).

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

243125444454 is a wasteful number, since it uses less digits than its factorization.

243125444454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1761778611.

The product of its digits is 1228800, while the sum is 42.

Adding to 243125444454 its reverse (454444521342), we get a palindrome (697569965796).

The spelling of 243125444454 in words is "two hundred forty-three billion, one hundred twenty-five million, four hundred forty-four thousand, four hundred fifty-four".