245054155504431 has 64 divisors (see below), whose sum is σ = 403935488409600. Its totient is φ = 128683510479360.

The previous prime is 245054155504391. The next prime is 245054155504537. The reversal of 245054155504431 is 134405551450542.

It is not a de Polignac number, because 245054155504431 - 2⁷ = 245054155504303 is a prime.

It is a super-2 number, since 2×245054155504431² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245054155504331) 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 63 ways as a sum of consecutive naturals, for example, 54400345 + ... + 58732493.

It is an arithmetic number, because the mean of its divisors is an integer number (6311492006400).

Almost surely, 2^{245054155504431} is an apocalyptic number.

245054155504431 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

245054155504431 is a deficient number, since it is larger than the sum of its proper divisors (158881332905169).

245054155504431 is a wasteful number, since it uses less digits than its factorization.

245054155504431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4333096.

The product of its (nonzero) digits is 4800000, while the sum is 48.

The spelling of 245054155504431 in words is "two hundred forty-five trillion, fifty-four billion, one hundred fifty-five million, five hundred four thousand, four hundred thirty-one".