245554045221500 has 48 divisors (see below), whose sum is σ = 539286068674080. Its totient is φ = 97672893929600.

The previous prime is 245554045221497. The next prime is 245554045221587. The reversal of 245554045221500 is 5122540455542.

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, 1371720809 + ... + 1371899808.

It is an arithmetic number, because the mean of its divisors is an integer number (11235126430710).

Almost surely, 2^{245554045221500} is an apocalyptic number.

245554045221500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245554045221500 is an abundant number, since it is smaller than the sum of its proper divisors (293732023452580).

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

245554045221500 is a wasteful number, since it uses less digits than its factorization.

245554045221500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2743620815 (or 2743620803 counting only the distinct ones).

The product of its (nonzero) digits is 1600000, while the sum is 44.

The spelling of 245554045221500 in words is "two hundred forty-five trillion, five hundred fifty-four billion, forty-five million, two hundred twenty-one thousand, five hundred".