2045253132 has 96 divisors (see below), whose sum is σ = 5779522560. Its totient is φ = 621691200.

The previous prime is 2045253109. The next prime is 2045253137. The reversal of 2045253132 is 2313525402.

It is a happy number.

2045253132 is a `hidden beast` number, since 2 + 0 + 4 + 525 + 3 + 132 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2045253096 and 2045253105.

It is not an unprimeable number, because it can be changed into a prime (2045253137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107757 + ... + 125307.

It is an arithmetic number, because the mean of its divisors is an integer number (60203360).

Almost surely, 2^2045253132 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 2045253132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2889761280).

2045253132 is an abundant number, since it is smaller than the sum of its proper divisors (3734269428).

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

2045253132 is a wasteful number, since it uses less digits than its factorization.

2045253132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17660 (or 17652 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 2045253132 is about 45224.4749223250. The cubic root of 2045253132 is about 1269.3528295886.

Adding to 2045253132 its reverse (2313525402), we get a palindrome (4358778534).

The spelling of 2045253132 in words is "two billion, forty-five million, two hundred fifty-three thousand, one hundred thirty-two".