4255645143 has 16 divisors (see below), whose sum is σ = 5816000736. Its totient is φ = 2766274560.

The previous prime is 4255645133. The next prime is 4255645151. The reversal of 4255645143 is 3415465524.

It is not a de Polignac number, because 4255645143 - 2¹³ = 4255636951 is a prime.

It is a super-2 number, since 2×4255645143² = 36221031166278980898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4255645103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221655 + ... + 240087.

It is an arithmetic number, because the mean of its divisors is an integer number (363500046).

Almost surely, 2^4255645143 is an apocalyptic number.

4255645143 is a deficient number, since it is larger than the sum of its proper divisors (1560355593).

4255645143 is a wasteful number, since it uses less digits than its factorization.

4255645143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20354.

The product of its digits is 288000, while the sum is 39.

The square root of 4255645143 is about 65235.3059546746. The cubic root of 4255645143 is about 1620.5227626267.

The spelling of 4255645143 in words is "four billion, two hundred fifty-five million, six hundred forty-five thousand, one hundred forty-three".