2145422432 has 24 divisors (see below), whose sum is σ = 4264814736. Its totient is φ = 1062294912.

The previous prime is 2145422387. The next prime is 2145422437. The reversal of 2145422432 is 2342245412.

It is a super-4 number, since 4×2145422432⁴ (a number of 38 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2145422395 and 2145422404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145422437) 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, 322163 + ... + 328754.

It is an arithmetic number, because the mean of its divisors is an integer number (177700614).

Almost surely, 2^2145422432 is an apocalyptic number.

It is an amenable number.

2145422432 is a deficient number, since it is larger than the sum of its proper divisors (2119392304).

2145422432 is a wasteful number, since it uses less digits than its factorization.

2145422432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651030 (or 651022 counting only the distinct ones).

The product of its digits is 15360, while the sum is 29.

The square root of 2145422432 is about 46318.7049905327. The cubic root of 2145422432 is about 1289.7462457830.

Adding to 2145422432 its reverse (2342245412), we get a palindrome (4487667844).

The spelling of 2145422432 in words is "two billion, one hundred forty-five million, four hundred twenty-two thousand, four hundred thirty-two".