2145432192 has 64 divisors (see below), whose sum is σ = 5783930400. Its totient is φ = 704461824.

The previous prime is 2145432127. The next prime is 2145432199. The reversal of 2145432192 is 2912345412.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (2145432199) 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, 15967 + ... + 67422.

Almost surely, 2^2145432192 is an apocalyptic number.

It is an amenable number.

2145432192 is an abundant number, since it is smaller than the sum of its proper divisors (3638498208).

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

2145432192 is an equidigital number, since it uses as much as digits as its factorization.

2145432192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83473 (or 83461 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 2145432192 is about 46318.8103474172. The cubic root of 2145432192 is about 1289.7482015601.

The spelling of 2145432192 in words is "two billion, one hundred forty-five million, four hundred thirty-two thousand, one hundred ninety-two".