45120203136 has 96 divisors (see below), whose sum is σ = 129932379720. Its totient is φ = 15029145600.

The previous prime is 45120203123. The next prime is 45120203143. The reversal of 45120203136 is 63130202154.

45120203136 is a `hidden beast` number, since 451 + 2 + 0 + 203 + 1 + 3 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1658056 + ... + 1685048.

Almost surely, 2^45120203136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45120203136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64966189860).

45120203136 is an abundant number, since it is smaller than the sum of its proper divisors (84812176584).

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

45120203136 is a wasteful number, since it uses less digits than its factorization.

45120203136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28464 (or 28449 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The spelling of 45120203136 in words is "forty-five billion, one hundred twenty million, two hundred three thousand, one hundred thirty-six".