4490143 has 8 divisors (see below), whose sum is σ = 5155488. Its totient is φ = 3830784.

The previous prime is 4490141. The next prime is 4490147. The reversal of 4490143 is 3410944.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4490143 - 2¹ = 4490141 is a prime.

It is a super-2 number, since 2×4490143² = 40322768320898, which contains 22 as substring.

It is a Duffinian number.

4490143 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4490141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255 + ... + 3007.

It is an arithmetic number, because the mean of its divisors is an integer number (644436).

Almost surely, 2^4490143 is an apocalyptic number.

4490143 is a deficient number, since it is larger than the sum of its proper divisors (665345).

4490143 is a wasteful number, since it uses less digits than its factorization.

4490143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2993.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 4490143 is about 2118.9957527093. The cubic root of 4490143 is about 164.9757295186.

It can be divided in two parts, 44901 and 43, that added together give a palindrome (44944).

The spelling of 4490143 in words is "four million, four hundred ninety thousand, one hundred forty-three".