245446404644542 has 4 divisors (see below), whose sum is σ = 368169606966816. Its totient is φ = 122723202322270.

The previous prime is 245446404644509. The next prime is 245446404644647.

245446404644542 is nontrivially palindromic in base 10.

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

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, 61361601161134 + ... + 61361601161137.

It is an arithmetic number, because the mean of its divisors is an integer number (92042401741704).

Almost surely, 2^{245446404644542} is an apocalyptic number.

245446404644542 is a deficient number, since it is larger than the sum of its proper divisors (122723202322274).

245446404644542 is a wasteful number, since it uses less digits than its factorization.

245446404644542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122723202322273.

The product of its (nonzero) digits is 235929600, while the sum is 58.

The spelling of 245446404644542 in words is "two hundred forty-five trillion, four hundred forty-six billion, four hundred four million, six hundred forty-four thousand, five hundred forty-two".