2141544345 has 16 divisors (see below), whose sum is σ = 3427062912. Its totient is φ = 1141959680.

The previous prime is 2141544319. The next prime is 2141544389. The reversal of 2141544345 is 5434451412.

It is a happy number.

It is not a de Polignac number, because 2141544345 - 2⁸ = 2141544089 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131524 + ... + 146906.

It is an arithmetic number, because the mean of its divisors is an integer number (214191432).

Almost surely, 2^2141544345 is an apocalyptic number.

It is an amenable number.

2141544345 is a deficient number, since it is larger than the sum of its proper divisors (1285518567).

2141544345 is a wasteful number, since it uses less digits than its factorization.

2141544345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24672.

The product of its digits is 38400, while the sum is 33.

The square root of 2141544345 is about 46276.8229786791. The cubic root of 2141544345 is about 1288.9686576740.

Adding to 2141544345 its reverse (5434451412), we get a palindrome (7575995757).

The spelling of 2141544345 in words is "two billion, one hundred forty-one million, five hundred forty-four thousand, three hundred forty-five".