2045443132 has 12 divisors (see below), whose sum is σ = 3580543120. Its totient is φ = 1022430816.

The previous prime is 2045443121. The next prime is 2045443133. The reversal of 2045443132 is 2313445402.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2045443132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045443133) 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, 56457 + ... + 85312.

Almost surely, 2^2045443132 is an apocalyptic number.

It is an amenable number.

2045443132 is a deficient number, since it is larger than the sum of its proper divisors (1535099988).

2045443132 is a wasteful number, since it uses less digits than its factorization.

2045443132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145380 (or 145378 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 2045443132 is about 45226.5755060009. The cubic root of 2045443132 is about 1269.3921351667.

Adding to 2045443132 its reverse (2313445402), we get a palindrome (4358888534).

The spelling of 2045443132 in words is "two billion, forty-five million, four hundred forty-three thousand, one hundred thirty-two".