2140023445 has 32 divisors (see below), whose sum is σ = 2977212672. Its totient is φ = 1446369792.

The previous prime is 2140023407. The next prime is 2140023469. The reversal of 2140023445 is 5443200412.

It is a happy number.

It is not a de Polignac number, because 2140023445 - 2²⁷ = 2005805717 is a prime.

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, 2245089 + ... + 2246041.

It is an arithmetic number, because the mean of its divisors is an integer number (93037896).

Almost surely, 2^2140023445 is an apocalyptic number.

It is an amenable number.

2140023445 is a deficient number, since it is larger than the sum of its proper divisors (837189227).

2140023445 is an equidigital number, since it uses as much as digits as its factorization.

2140023445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2140023445 is about 46260.3874281226. The cubic root of 2140023445 is about 1288.6634485380.

Adding to 2140023445 its reverse (5443200412), we get a palindrome (7583223857).

The spelling of 2140023445 in words is "two billion, one hundred forty million, twenty-three thousand, four hundred forty-five".