245432774451 has 16 divisors (see below), whose sum is σ = 339980902560. Its totient is φ = 157301679360.

The previous prime is 245432774441. The next prime is 245432774453. The reversal of 245432774451 is 154477234542.

It is a happy number.

It is not a de Polignac number, because 245432774451 - 2³³ = 236842839859 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245432774451.

It is not an unprimeable number, because it can be changed into a prime (245432774453) 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, 6033520 + ... + 6074061.

It is an arithmetic number, because the mean of its divisors is an integer number (21248806410).

Almost surely, 2^245432774451 is an apocalyptic number.

245432774451 is a deficient number, since it is larger than the sum of its proper divisors (94548128109).

245432774451 is a wasteful number, since it uses less digits than its factorization.

245432774451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12107846.

The product of its digits is 3763200, while the sum is 48.

The spelling of 245432774451 in words is "two hundred forty-five billion, four hundred thirty-two million, seven hundred seventy-four thousand, four hundred fifty-one".