4145447854 has 16 divisors (see below), whose sum is σ = 6559488000. Its totient is φ = 1959420024.

The previous prime is 4145447851. The next prime is 4145447857. The reversal of 4145447854 is 4587445414.

It is an interprime number because it is at equal distance from previous prime (4145447851) and next prime (4145447857).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4145447851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99054 + ... + 134545.

It is an arithmetic number, because the mean of its divisors is an integer number (409968000).

Almost surely, 2^4145447854 is an apocalyptic number.

4145447854 is a deficient number, since it is larger than the sum of its proper divisors (2414040146).

4145447854 is a wasteful number, since it uses less digits than its factorization.

4145447854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234087.

The product of its digits is 1433600, while the sum is 46.

The square root of 4145447854 is about 64385.1524343928. The cubic root of 4145447854 is about 1606.4127859283.

The spelling of 4145447854 in words is "four billion, one hundred forty-five million, four hundred forty-seven thousand, eight hundred fifty-four".