245389545983542 has 4 divisors (see below), whose sum is σ = 368084318975316. Its totient is φ = 122694772991770.

The previous prime is 245389545983531. The next prime is 245389545983581.

It is a happy number.

245389545983542 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (76) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61347386495884 + ... + 61347386495887.

It is an arithmetic number, because the mean of its divisors is an integer number (92021079743829).

Almost surely, 2^{245389545983542} is an apocalyptic number.

245389545983542 is a deficient number, since it is larger than the sum of its proper divisors (122694772991774).

245389545983542 is a wasteful number, since it uses less digits than its factorization.

245389545983542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122694772991773.

The product of its digits is 7464960000, while the sum is 76.

The spelling of 245389545983542 in words is "two hundred forty-five trillion, three hundred eighty-nine billion, five hundred forty-five million, nine hundred eighty-three thousand, five hundred forty-two".