245558855542 has 32 divisors (see below), whose sum is σ = 494552104704. Its totient is φ = 88312874400.

The previous prime is 245558855513. The next prime is 245558855543.

245558855542 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×245558855542³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245558855543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61326384 + ... + 61330387.

It is an arithmetic number, because the mean of its divisors is an integer number (15454753272).

Almost surely, 2^245558855542 is an apocalyptic number.

245558855542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

245558855542 is an abundant number, since it is smaller than the sum of its proper divisors (248993249162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245558855542 is a wasteful number, since it uses less digits than its factorization.

245558855542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122656804.

The product of its digits is 64000000, while the sum is 58.

The spelling of 245558855542 in words is "two hundred forty-five billion, five hundred fifty-eight million, eight hundred fifty-five thousand, five hundred forty-two".