245845548542 has 24 divisors (see below), whose sum is σ = 406315619496. Its totient is φ = 110641460000.

The previous prime is 245845548523. The next prime is 245845548547.

245845548542 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245845548547) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 323309 + ... + 772152.

It is an arithmetic number, because the mean of its divisors is an integer number (16929817479).

Almost surely, 2^245845548542 is an apocalyptic number.

245845548542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

245845548542 is a deficient number, since it is larger than the sum of its proper divisors (160470070954).

245845548542 is a wasteful number, since it uses less digits than its factorization.

245845548542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095676 (or 1095575 counting only the distinct ones).

The product of its digits is 40960000, while the sum is 56.

The spelling of 245845548542 in words is "two hundred forty-five billion, eight hundred forty-five million, five hundred forty-eight thousand, five hundred forty-two".