245437734542 has 48 divisors (see below), whose sum is σ = 503135124912. Its totient is φ = 88269310080.

The previous prime is 245437734539. The next prime is 245437734589.

245437734542 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8742863 + ... + 8770890.

It is an arithmetic number, because the mean of its divisors is an integer number (10481981769).

Almost surely, 2^245437734542 is an apocalyptic number.

245437734542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

245437734542 is an abundant number, since it is smaller than the sum of its proper divisors (257697390370).

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

245437734542 is a wasteful number, since it uses less digits than its factorization.

245437734542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17513793 (or 17513786 counting only the distinct ones).

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

It can be divided in two parts, 245437 and 734542, that added together give a palindrome (979979).

The spelling of 245437734542 in words is "two hundred forty-five billion, four hundred thirty-seven million, seven hundred thirty-four thousand, five hundred forty-two".