245554020103100 has 144 divisors (see below), whose sum is σ = 561392840746080. Its totient is φ = 92969838489600.

The previous prime is 245554020103061. The next prime is 245554020103109. The reversal of 245554020103100 is 1301020455542.

It is a super-2 number, since 2×245554020103100² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245554020103109) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13122099344 + ... + 13122118056.

It is an arithmetic number, because the mean of its divisors is an integer number (3898561394070).

Almost surely, 2^{245554020103100} is an apocalyptic number.

245554020103100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245554020103100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280696420373040).

245554020103100 is an abundant number, since it is smaller than the sum of its proper divisors (315838820642980).

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

245554020103100 is a wasteful number, since it uses less digits than its factorization.

245554020103100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24480 (or 24473 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 245554020103100 its reverse (1301020455542), we get a palindrome (246855040558642).

The spelling of 245554020103100 in words is "two hundred forty-five trillion, five hundred fifty-four billion, twenty million, one hundred three thousand, one hundred".