4457665142 has 12 divisors (see below), whose sum is σ = 7778170980. Its totient is φ = 1910427876.

The previous prime is 4457665129. The next prime is 4457665153. The reversal of 4457665142 is 2415667544.

It is a junction number, because it is equal to n+sod(n) for n = 4457665093 and 4457665102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22743092 + ... + 22743287.

It is an arithmetic number, because the mean of its divisors is an integer number (648180915).

Almost surely, 2^4457665142 is an apocalyptic number.

4457665142 is a deficient number, since it is larger than the sum of its proper divisors (3320505838).

4457665142 is a wasteful number, since it uses less digits than its factorization.

4457665142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45486395 (or 45486388 counting only the distinct ones).

The product of its digits is 806400, while the sum is 44.

The square root of 4457665142 is about 66765.7482696030. The cubic root of 4457665142 is about 1645.7700212699.

The spelling of 4457665142 in words is "four billion, four hundred fifty-seven million, six hundred sixty-five thousand, one hundred forty-two".