2045913144 has 64 divisors (see below), whose sum is σ = 5907997440. Its totient is φ = 583503360.

The previous prime is 2045913137. The next prime is 2045913157. The reversal of 2045913144 is 4413195402.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 223444 + ... + 232419.

It is an arithmetic number, because the mean of its divisors is an integer number (92312460).

Almost surely, 2^2045913144 is an apocalyptic number.

2045913144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2045913144 is an abundant number, since it is smaller than the sum of its proper divisors (3862084296).

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

2045913144 is a wasteful number, since it uses less digits than its factorization.

2045913144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455900 (or 455896 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 2045913144 is about 45231.7714002005. The cubic root of 2045913144 is about 1269.4893567799.

The spelling of 2045913144 in words is "two billion, forty-five million, nine hundred thirteen thousand, one hundred forty-four".