245366636144 has 40 divisors (see below), whose sum is σ = 549416486880. Its totient is φ = 103975584768.

The previous prime is 245366636143. The next prime is 245366636209. The reversal of 245366636144 is 441636663542.

It is a super-2 number, since 2×245366636144² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 245366636092 and 245366636101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245366636143) 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, 12297749 + ... + 12317684.

It is an arithmetic number, because the mean of its divisors is an integer number (13735412172).

Almost surely, 2^245366636144 is an apocalyptic number.

It is an amenable number.

245366636144 is an abundant number, since it is smaller than the sum of its proper divisors (304049850736).

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

245366636144 is a wasteful number, since it uses less digits than its factorization.

245366636144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24615537 (or 24615531 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 50.

The spelling of 245366636144 in words is "two hundred forty-five billion, three hundred sixty-six million, six hundred thirty-six thousand, one hundred forty-four".