245404035563645 has 16 divisors (see below), whose sum is σ = 336554569607808. Its totient is φ = 168276821112000.

The previous prime is 245404035563641. The next prime is 245404035563653. The reversal of 245404035563645 is 546365530404542.

It is not a de Polignac number, because 245404035563645 - 2² = 245404035563641 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245404035563641) 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, 23232662 + ... + 32102408.

It is an arithmetic number, because the mean of its divisors is an integer number (21034660600488).

Almost surely, 2^{245404035563645} is an apocalyptic number.

It is an amenable number.

245404035563645 is a deficient number, since it is larger than the sum of its proper divisors (91150534044163).

245404035563645 is an equidigital number, since it uses as much as digits as its factorization.

245404035563645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9660260.

The product of its (nonzero) digits is 103680000, while the sum is 56.

The spelling of 245404035563645 in words is "two hundred forty-five trillion, four hundred four billion, thirty-five million, five hundred sixty-three thousand, six hundred forty-five".