245436634542 has 32 divisors (see below), whose sum is σ = 537041384064. Its totient is φ = 74160394400.

The previous prime is 245436634523. The next prime is 245436634549.

245436634542 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 245436634491 and 245436634500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245436634549) 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, 5335509 + ... + 5381312.

It is an arithmetic number, because the mean of its divisors is an integer number (16782543252).

Almost surely, 2^245436634542 is an apocalyptic number.

245436634542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

245436634542 is an abundant number, since it is smaller than the sum of its proper divisors (291604749522).

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

245436634542 is a wasteful number, since it uses less digits than its factorization.

245436634542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10717184.

The product of its digits is 8294400, while the sum is 48.

It can be divided in two parts, 245436 and 634542, that added together give a palindrome (879978).

The spelling of 245436634542 in words is "two hundred forty-five billion, four hundred thirty-six million, six hundred thirty-four thousand, five hundred forty-two".