245442147743 has 8 divisors (see below), whose sum is σ = 264438837600. Its totient is φ = 226462104288.

The previous prime is 245442147701. The next prime is 245442147751. The reversal of 245442147743 is 347741244542.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245442147743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245442147043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4130963 + ... + 4189956.

It is an arithmetic number, because the mean of its divisors is an integer number (33054854700).

Almost surely, 2^245442147743 is an apocalyptic number.

245442147743 is a deficient number, since it is larger than the sum of its proper divisors (18996689857).

245442147743 is a wasteful number, since it uses less digits than its factorization.

245442147743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8323201.

The product of its digits is 3010560, while the sum is 47.

The spelling of 245442147743 in words is "two hundred forty-five billion, four hundred forty-two million, one hundred forty-seven thousand, seven hundred forty-three".