245571712748 has 12 divisors (see below), whose sum is σ = 436164684312. Its totient is φ = 120953231520.

The previous prime is 245571712741. The next prime is 245571712759. The reversal of 245571712748 is 847217175542.

It is a super-2 number, since 2×245571712748² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 245571712748.

It is not an unprimeable number, because it can be changed into a prime (245571712741) 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 3 ways as a sum of consecutive naturals, for example, 458155913 + ... + 458156448.

It is an arithmetic number, because the mean of its divisors is an integer number (36347057026).

Almost surely, 2^245571712748 is an apocalyptic number.

It is an amenable number.

245571712748 is a deficient number, since it is larger than the sum of its proper divisors (190592971564).

245571712748 is a wasteful number, since it uses less digits than its factorization.

245571712748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916312432 (or 916312430 counting only the distinct ones).

The product of its digits is 4390400, while the sum is 53.

The spelling of 245571712748 in words is "two hundred forty-five billion, five hundred seventy-one million, seven hundred twelve thousand, seven hundred forty-eight".