245604406542 has 32 divisors (see below), whose sum is σ = 537300846720. Its totient is φ = 74226037920.

The previous prime is 245604406441. The next prime is 245604406577.

245604406542 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 245604406494 and 245604406503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4963692 + ... + 5012927.

It is an arithmetic number, because the mean of its divisors is an integer number (16790651460).

Almost surely, 2^245604406542 is an apocalyptic number.

245604406542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

245604406542 is an abundant number, since it is smaller than the sum of its proper divisors (291696440178).

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

245604406542 is a wasteful number, since it uses less digits than its factorization.

245604406542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9977008.

The product of its (nonzero) digits is 921600, while the sum is 42.

The spelling of 245604406542 in words is "two hundred forty-five billion, six hundred four million, four hundred six thousand, five hundred forty-two".