245266464662542 has 32 divisors (see below), whose sum is σ = 389673756248832. Its totient is φ = 115536161372544.

The previous prime is 245266464662539. The next prime is 245266464662567.

It is a happy number.

245266464662542 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19745173 + ... + 29671615.

It is an arithmetic number, because the mean of its divisors is an integer number (12177304882776).

Almost surely, 2^{245266464662542} is an apocalyptic number.

245266464662542 is a deficient number, since it is larger than the sum of its proper divisors (144407291586290).

245266464662542 is a wasteful number, since it uses less digits than its factorization.

245266464662542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9934552.

The product of its digits is 796262400, while the sum is 64.

The spelling of 245266464662542 in words is "two hundred forty-five trillion, two hundred sixty-six billion, four hundred sixty-four million, six hundred sixty-two thousand, five hundred forty-two".