2045342232 has 128 divisors (see below), whose sum is σ = 5842560000. Its totient is φ = 662732928.

The previous prime is 2045342219. The next prime is 2045342249. The reversal of 2045342232 is 2322435402.

It is a happy number.

2045342232 is a `hidden beast` number, since 204 + 5 + 3 + 422 + 32 = 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 = 2045342196 and 2045342205.

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, 1142394 + ... + 1144182.

It is an arithmetic number, because the mean of its divisors is an integer number (45645000).

Almost surely, 2^2045342232 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 2045342232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2921280000).

2045342232 is an abundant number, since it is smaller than the sum of its proper divisors (3797217768).

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

2045342232 is a wasteful number, since it uses less digits than its factorization.

2045342232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1950 (or 1940 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 2045342232 is about 45225.4599976606. The cubic root of 2045342232 is about 1269.3712621391.

Adding to 2045342232 its reverse (2322435402), we get a palindrome (4367777634).

The spelling of 2045342232 in words is "two billion, forty-five million, three hundred forty-two thousand, two hundred thirty-two".