245244134155494 has 8 divisors (see below), whose sum is σ = 490488268311000. Its totient is φ = 81748044718496.

The previous prime is 245244134155481. The next prime is 245244134155513. The reversal of 245244134155494 is 494551431442542.

It is a sphenic number, since it is the product of 3 distinct primes.

245244134155494 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 20437011179619 + ... + 20437011179630.

It is an arithmetic number, because the mean of its divisors is an integer number (61311033538875).

Almost surely, 2^{245244134155494} is an apocalyptic number.

245244134155494 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

245244134155494 is a wasteful number, since it uses less digits than its factorization.

245244134155494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40874022359254.

The product of its digits is 55296000, while the sum is 57.

The spelling of 245244134155494 in words is "two hundred forty-five trillion, two hundred forty-four billion, one hundred thirty-four million, one hundred fifty-five thousand, four hundred ninety-four".