245342420555 has 16 divisors (see below), whose sum is σ = 299380039200. Its totient is φ = 192988673280.

The previous prime is 245342420539. The next prime is 245342420567. The reversal of 245342420555 is 555024243542.

It is not a de Polignac number, because 245342420555 - 2⁴ = 245342420539 is a prime.

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, 1646810 + ... + 1789599.

It is an arithmetic number, because the mean of its divisors is an integer number (18711252450).

Almost surely, 2^245342420555 is an apocalyptic number.

245342420555 is a deficient number, since it is larger than the sum of its proper divisors (54037618645).

245342420555 is a wasteful number, since it uses less digits than its factorization.

245342420555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3436654.

The product of its (nonzero) digits is 960000, while the sum is 41.

The spelling of 245342420555 in words is "two hundred forty-five billion, three hundred forty-two million, four hundred twenty thousand, five hundred fifty-five".