245032440132251 has 16 divisors (see below), whose sum is σ = 255010572529440. Its totient is φ = 235157539357440.

The previous prime is 245032440132247. The next prime is 245032440132257. The reversal of 245032440132251 is 152231044230542.

It is a cyclic number.

It is not a de Polignac number, because 245032440132251 - 2² = 245032440132247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245032440132257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1317026 + ... + 22176551.

It is an arithmetic number, because the mean of its divisors is an integer number (15938160783090).

Almost surely, 2^{245032440132251} is an apocalyptic number.

245032440132251 is a deficient number, since it is larger than the sum of its proper divisors (9978132397189).

245032440132251 is a wasteful number, since it uses less digits than its factorization.

245032440132251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23495774.

The product of its (nonzero) digits is 230400, while the sum is 38.

Adding to 245032440132251 its reverse (152231044230542), we get a palindrome (397263484362793).

The spelling of 245032440132251 in words is "two hundred forty-five trillion, thirty-two billion, four hundred forty million, one hundred thirty-two thousand, two hundred fifty-one".