245313211245 has 16 divisors (see below), whose sum is σ = 405162465792. Its totient is φ = 126613270080.

The previous prime is 245313211207. The next prime is 245313211343. The reversal of 245313211245 is 542112313542.

It is not a de Polignac number, because 245313211245 - 2¹² = 245313207149 is a prime.

It is a super-2 number, since 2×245313211245² (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, 263777182 + ... + 263778111.

It is an arithmetic number, because the mean of its divisors is an integer number (25322654112).

Almost surely, 2^245313211245 is an apocalyptic number.

It is an amenable number.

245313211245 is a deficient number, since it is larger than the sum of its proper divisors (159849254547).

245313211245 is a wasteful number, since it uses less digits than its factorization.

245313211245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527555332.

The product of its digits is 28800, while the sum is 33.

Adding to 245313211245 its reverse (542112313542), we get a palindrome (787425524787).

The spelling of 245313211245 in words is "two hundred forty-five billion, three hundred thirteen million, two hundred eleven thousand, two hundred forty-five".