245347743542 has 24 divisors (see below), whose sum is σ = 404675245128. Its totient is φ = 111478799520.

The previous prime is 245347743539. The next prime is 245347743569.

245347743542 is nontrivially palindromic in base 10.

It is a super-4 number, since 4×245347743542⁴ (a number of 47 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 439613 + ... + 827015.

It is an arithmetic number, because the mean of its divisors is an integer number (16861468547).

Almost surely, 2^245347743542 is an apocalyptic number.

245347743542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

245347743542 is a deficient number, since it is larger than the sum of its proper divisors (159327501586).

245347743542 is a wasteful number, since it uses less digits than its factorization.

245347743542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390044 (or 390033 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 50.

It can be divided in two parts, 245347 and 743542, that added together give a palindrome (988889).

The spelling of 245347743542 in words is "two hundred forty-five billion, three hundred forty-seven million, seven hundred forty-three thousand, five hundred forty-two".