245855787558542 has 16 divisors (see below), whose sum is σ = 421532398142592. Its totient is φ = 105350432657400.

The previous prime is 245855787558527. The next prime is 245855787558547.

245855787558542 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245855787558547) 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, 1361026388 + ... + 1361207015.

It is an arithmetic number, because the mean of its divisors is an integer number (26345774883912).

Almost surely, 2^{245855787558542} is an apocalyptic number.

245855787558542 is a deficient number, since it is larger than the sum of its proper divisors (175676610584050).

245855787558542 is a wasteful number, since it uses less digits than its factorization.

245855787558542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2722239863.

The product of its digits is 25088000000, while the sum is 80.

The spelling of 245855787558542 in words is "two hundred forty-five trillion, eight hundred fifty-five billion, seven hundred eighty-seven million, five hundred fifty-eight thousand, five hundred forty-two".