245113125452540 has 48 divisors (see below), whose sum is σ = 538580993190912. Its totient is φ = 93526875241536.

The previous prime is 245113125452521. The next prime is 245113125452599. The reversal of 245113125452540 is 45254521311542.

It is a super-2 number, since 2×245113125452540² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 245113125452491 and 245113125452500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 725791154 + ... + 726128793.

It is an arithmetic number, because the mean of its divisors is an integer number (11220437358144).

Almost surely, 2^{245113125452540} is an apocalyptic number.

245113125452540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245113125452540 is an abundant number, since it is smaller than the sum of its proper divisors (293467867738372).

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

245113125452540 is a wasteful number, since it uses less digits than its factorization.

245113125452540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451920346 (or 1451920344 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 44.

The spelling of 245113125452540 in words is "two hundred forty-five trillion, one hundred thirteen billion, one hundred twenty-five million, four hundred fifty-two thousand, five hundred forty".