2045256252 has 144 divisors (see below), whose sum is σ = 5381060832. Its totient is φ = 603832320.

The previous prime is 2045256139. The next prime is 2045256287. The reversal of 2045256252 is 2526525402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7278352 + ... + 7278632.

It is an arithmetic number, because the mean of its divisors is an integer number (37368478).

Almost surely, 2^2045256252 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 2045256252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2690530416).

2045256252 is an abundant number, since it is smaller than the sum of its proper divisors (3335804580).

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

2045256252 is a wasteful number, since it uses less digits than its factorization.

2045256252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448 (or 433 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

The square root of 2045256252 is about 45224.5094169080. The cubic root of 2045256252 is about 1269.3534750473.

The spelling of 2045256252 in words is "two billion, forty-five million, two hundred fifty-six thousand, two hundred fifty-two".