7000143 has 4 divisors (see below), whose sum is σ = 9333528. Its totient is φ = 4666760.

The previous prime is 7000129. The next prime is 7000157. The reversal of 7000143 is 3410007.

7000143 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3410007 = 3 ⋅1136669.

It is an interprime number because it is at equal distance from previous prime (7000129) and next prime (7000157).

It is a cyclic number.

It is not a de Polignac number, because 7000143 - 2⁴ = 7000127 is a prime.

It is an Ulam number.

It is a D-number.

7000143 is a modest number, since divided by 143 gives 7 as remainder.

7000143 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7000163) 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, 1166688 + ... + 1166693.

It is an arithmetic number, because the mean of its divisors is an integer number (2333382).

Almost surely, 2^7000143 is an apocalyptic number.

7000143 is a deficient number, since it is larger than the sum of its proper divisors (2333385).

7000143 is a wasteful number, since it uses less digits than its factorization.

7000143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2333384.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 7000143 is about 2645.7783353864. The cubic root of 7000143 is about 191.2944208834.

The spelling of 7000143 in words is "seven million, one hundred forty-three", and thus it is an aban number.