245315031140 has 12 divisors (see below), whose sum is σ = 515161565436. Its totient is φ = 98126012448.

The previous prime is 245315031119. The next prime is 245315031191. The reversal of 245315031140 is 41130513542.

It can be written as a sum of positive squares in 2 ways, for example, as 132595026496 + 112720004644 = 364136^2 + 335738^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6132875759 + ... + 6132875798.

It is an arithmetic number, because the mean of its divisors is an integer number (42930130453).

Almost surely, 2^245315031140 is an apocalyptic number.

245315031140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245315031140 is an abundant number, since it is smaller than the sum of its proper divisors (269846534296).

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

245315031140 is a wasteful number, since it uses less digits than its factorization.

245315031140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12265751566 (or 12265751564 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 245315031140 its reverse (41130513542), we get a palindrome (286445544682).

The spelling of 245315031140 in words is "two hundred forty-five billion, three hundred fifteen million, thirty-one thousand, one hundred forty".