245154051513 has 12 divisors (see below), whose sum is σ = 404698751808. Its totient is φ = 140088029400.

The previous prime is 245154051509. The next prime is 245154051539. The reversal of 245154051513 is 315150451542.

245154051513 is a `hidden beast` number, since 2 + 4 + 51 + 5 + 40 + 51 + 513 = 666.

It is not a de Polignac number, because 245154051513 - 2² = 245154051509 is a prime.

It is a super-4 number, since 4×245154051513⁴ (a number of 47 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (245154041513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1945667013 + ... + 1945667138.

It is an arithmetic number, because the mean of its divisors is an integer number (33724895984).

Almost surely, 2^245154051513 is an apocalyptic number.

It is an amenable number.

245154051513 is a deficient number, since it is larger than the sum of its proper divisors (159544700295).

245154051513 is a wasteful number, since it uses less digits than its factorization.

245154051513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3891334164 (or 3891334161 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The spelling of 245154051513 in words is "two hundred forty-five billion, one hundred fifty-four million, fifty-one thousand, five hundred thirteen".