245122400245 has 16 divisors (see below), whose sum is σ = 295495200000. Its totient is φ = 195201067968.

The previous prime is 245122400233. The next prime is 245122400309. The reversal of 245122400245 is 542004221542.

It is a cyclic number.

It is not a de Polignac number, because 245122400245 - 2⁵ = 245122400213 is a prime.

It is a super-2 number, since 2×245122400245² (a number of 24 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, 844276 + ... + 1096834.

It is an arithmetic number, because the mean of its divisors is an integer number (18468450000).

Almost surely, 2^245122400245 is an apocalyptic number.

It is an amenable number.

245122400245 is a deficient number, since it is larger than the sum of its proper divisors (50372799755).

245122400245 is a wasteful number, since it uses less digits than its factorization.

245122400245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253452.

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 245122400245 its reverse (542004221542), we get a palindrome (787126621787).

The spelling of 245122400245 in words is "two hundred forty-five billion, one hundred twenty-two million, four hundred thousand, two hundred forty-five".