2145717432 has 32 divisors (see below), whose sum is σ = 5960326800. Its totient is φ = 715239072.

The previous prime is 2145717419. The next prime is 2145717433. The reversal of 2145717432 is 2347175412.

2145717432 is a `hidden beast` number, since 2 + 1 + 457 + 174 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145717433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4966723 + ... + 4967154.

Almost surely, 2^2145717432 is an apocalyptic number.

It is an amenable number.

2145717432 is an abundant number, since it is smaller than the sum of its proper divisors (3814609368).

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

2145717432 is a wasteful number, since it uses less digits than its factorization.

2145717432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9933892 (or 9933882 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 2145717432 is about 46321.8893397063. The cubic root of 2145717432 is about 1289.8053573282.

The spelling of 2145717432 in words is "two billion, one hundred forty-five million, seven hundred seventeen thousand, four hundred thirty-two".