2143353045 has 32 divisors (see below), whose sum is σ = 3619324800. Its totient is φ = 1080117504.

The previous prime is 2143352999. The next prime is 2143353089. The reversal of 2143353045 is 5403533412.

It is not a de Polignac number, because 2143353045 - 2²² = 2139158741 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101199 + ... + 120531.

It is an arithmetic number, because the mean of its divisors is an integer number (113103900).

Almost surely, 2^2143353045 is an apocalyptic number.

It is an amenable number.

2143353045 is a deficient number, since it is larger than the sum of its proper divisors (1475971755).

2143353045 is a wasteful number, since it uses less digits than its factorization.

2143353045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19749.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 2143353045 is about 46296.3610341029. The cubic root of 2143353045 is about 1289.3314335039.

Adding to 2143353045 its reverse (5403533412), we get a palindrome (7546886457).

The spelling of 2143353045 in words is "two billion, one hundred forty-three million, three hundred fifty-three thousand, forty-five".