245438834542 has 32 divisors (see below), whose sum is σ = 404053246080. Its totient is φ = 110890805280.

The previous prime is 245438834419. The next prime is 245438834549.

245438834542 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 245438834542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245438834549) 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, 3051588 + ... + 3130984.

It is an arithmetic number, because the mean of its divisors is an integer number (12626663940).

Almost surely, 2^245438834542 is an apocalyptic number.

245438834542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

245438834542 is a deficient number, since it is larger than the sum of its proper divisors (158614411538).

245438834542 is a wasteful number, since it uses less digits than its factorization.

245438834542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80256.

The product of its digits is 14745600, while the sum is 52.

The spelling of 245438834542 in words is "two hundred forty-five billion, four hundred thirty-eight million, eight hundred thirty-four thousand, five hundred forty-two".