47454143 has 16 divisors (see below), whose sum is σ = 52862112. Its totient is φ = 42592000.

The previous prime is 47454139. The next prime is 47454151. The reversal of 47454143 is 34145474.

It is not a de Polignac number, because 47454143 - 2² = 47454139 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47454103) 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, 134255 + ... + 134607.

It is an arithmetic number, because the mean of its divisors is an integer number (3303882).

Almost surely, 2^47454143 is an apocalyptic number.

47454143 is a deficient number, since it is larger than the sum of its proper divisors (5407969).

47454143 is a wasteful number, since it uses less digits than its factorization.

47454143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487 (or 465 counting only the distinct ones).

The product of its digits is 26880, while the sum is 32.

The square root of 47454143 is about 6888.6967562813. The cubic root of 47454143 is about 362.0412409899.

It can be divided in two parts, 4745 and 4143, that added together give a palindrome (8888).

The spelling of 47454143 in words is "forty-seven million, four hundred fifty-four thousand, one hundred forty-three".