2045854356 has 96 divisors (see below), whose sum is σ = 5971784448. Its totient is φ = 530703360.

The previous prime is 2045854337. The next prime is 2045854373. The reversal of 2045854356 is 6534585402.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51256 + ... + 81968.

It is an arithmetic number, because the mean of its divisors is an integer number (62206088).

Almost surely, 2^2045854356 is an apocalyptic number.

2045854356 is a gapful number since it is divisible by the number (26) 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 2045854356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2985892224).

2045854356 is an abundant number, since it is smaller than the sum of its proper divisors (3925930092).

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

2045854356 is a wasteful number, since it uses less digits than its factorization.

2045854356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30801 (or 30799 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 42.

The square root of 2045854356 is about 45231.1215425839. The cubic root of 2045854356 is about 1269.4771973430.

The spelling of 2045854356 in words is "two billion, forty-five million, eight hundred fifty-four thousand, three hundred fifty-six".