245345445264 has 20 divisors (see below), whose sum is σ = 633809067056. Its totient is φ = 81781815072.

The previous prime is 245345445263. The next prime is 245345445281. The reversal of 245345445264 is 462544543542.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 5111363443 = 245345445264 / (2 + 4 + 5 + 3 + 4 + 5 + 4 + 4 + 5 + 2 + 6 + 4).

It is not an unprimeable number, because it can be changed into a prime (245345445263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2555681674 + ... + 2555681769.

Almost surely, 2^245345445264 is an apocalyptic number.

245345445264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

245345445264 is an abundant number, since it is smaller than the sum of its proper divisors (388463621792).

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

245345445264 is a wasteful number, since it uses less digits than its factorization.

245345445264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5111363454 (or 5111363448 counting only the distinct ones).

The product of its digits is 9216000, while the sum is 48.

The spelling of 245345445264 in words is "two hundred forty-five billion, three hundred forty-five million, four hundred forty-five thousand, two hundred sixty-four".