2045245132 has 12 divisors (see below), whose sum is σ = 4090490320. Its totient is φ = 876533616.

The previous prime is 2045245127. The next prime is 2045245133. The reversal of 2045245132 is 2315425402.

2045245132 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 73044469 = 2045245132 / (2 + 0 + 4 + 5 + 2 + 4 + 5 + 1 + 3 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 2045245132.

It is not an unprimeable number, because it can be changed into a prime (2045245133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36522207 + ... + 36522262.

Almost surely, 2^2045245132 is an apocalyptic number.

It is an amenable number.

2045245132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2045245132 is a wasteful number, since it uses less digits than its factorization.

2045245132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73044480 (or 73044478 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 2045245132 is about 45224.3864745560. The cubic root of 2045245132 is about 1269.3511745635.

The spelling of 2045245132 in words is "two billion, forty-five million, two hundred forty-five thousand, one hundred thirty-two".