245554020243541 has 16 divisors (see below), whose sum is σ = 274095746795520. Its totient is φ = 218895908855040.

The previous prime is 245554020243533. The next prime is 245554020243589. The reversal of 245554020243541 is 145342020455542.

It is a cyclic number.

It is not a de Polignac number, because 245554020243541 - 2³ = 245554020243533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245554020243491 and 245554020243500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245554020243941) 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, 4956857226 + ... + 4956906763.

It is an arithmetic number, because the mean of its divisors is an integer number (17130984174720).

Almost surely, 2^{245554020243541} is an apocalyptic number.

It is an amenable number.

245554020243541 is a deficient number, since it is larger than the sum of its proper divisors (28541726551979).

245554020243541 is a wasteful number, since it uses less digits than its factorization.

245554020243541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9913764084.

The product of its (nonzero) digits is 3840000, while the sum is 46.

The spelling of 245554020243541 in words is "two hundred forty-five trillion, five hundred fifty-four billion, twenty million, two hundred forty-three thousand, five hundred forty-one".