4656143 has 4 divisors (see below), whose sum is σ = 4858608. Its totient is φ = 4453680.

The previous prime is 4656139. The next prime is 4656151. The reversal of 4656143 is 3416564.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4656143 - 2² = 4656139 is a prime.

It is a super-3 number, since 3×4656143³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4656163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101198 + ... + 101243.

It is an arithmetic number, because the mean of its divisors is an integer number (1214652).

Almost surely, 2^4656143 is an apocalyptic number.

4656143 is a deficient number, since it is larger than the sum of its proper divisors (202465).

4656143 is a wasteful number, since it uses less digits than its factorization.

4656143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202464.

The product of its digits is 8640, while the sum is 29.

The square root of 4656143 is about 2157.8097691873. The cubic root of 4656143 is about 166.9842216797.

The spelling of 4656143 in words is "four million, six hundred fifty-six thousand, one hundred forty-three".