245652812451 has 40 divisors (see below), whose sum is σ = 376720488144. Its totient is φ = 159431051520.

The previous prime is 245652812417. The next prime is 245652812453. The reversal of 245652812451 is 154218256542.

245652812451 is a `hidden beast` number, since 2 + 4 + 56 + 528 + 1 + 24 + 51 = 666.

It is not a de Polignac number, because 245652812451 - 2⁷ = 245652812323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 245652812397 and 245652812406.

It is not an unprimeable number, because it can be changed into a prime (245652812453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1471711 + ... + 1630103.

Almost surely, 2^245652812451 is an apocalyptic number.

245652812451 is a deficient number, since it is larger than the sum of its proper divisors (131067675693).

245652812451 is a wasteful number, since it uses less digits than its factorization.

245652812451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158913 (or 158904 counting only the distinct ones).

The product of its digits is 768000, while the sum is 45.

The spelling of 245652812451 in words is "two hundred forty-five billion, six hundred fifty-two million, eight hundred twelve thousand, four hundred fifty-one".