245570482775644 has 48 divisors (see below), whose sum is σ = 463328106595200. Its totient is φ = 113212345559040.

The previous prime is 245570482775549. The next prime is 245570482775713. The reversal of 245570482775644 is 446577284075542.

It is a super-2 number, since 2×245570482775644² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2181376942 + ... + 2181489514.

It is an arithmetic number, because the mean of its divisors is an integer number (9652668887400).

Almost surely, 2^{245570482775644} is an apocalyptic number.

It is an amenable number.

245570482775644 is a deficient number, since it is larger than the sum of its proper divisors (217757623819556).

245570482775644 is a wasteful number, since it uses less digits than its factorization.

245570482775644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159550 (or 159548 counting only the distinct ones).

The product of its (nonzero) digits is 2107392000, while the sum is 70.

The spelling of 245570482775644 in words is "two hundred forty-five trillion, five hundred seventy billion, four hundred eighty-two million, seven hundred seventy-five thousand, six hundred forty-four".