730143 has 12 divisors (see below), whose sum is σ = 1089088. Its totient is φ = 470880.

The previous prime is 730139. The next prime is 730157. The reversal of 730143 is 341037.

730143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 730143 - 2² = 730139 is a prime.

It is a Duffinian number.

730143 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730843) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1030 + ... + 1587.

2⁷³⁰¹⁴³ is an apocalyptic number.

730143 is a deficient number, since it is larger than the sum of its proper divisors (358945).

730143 is a wasteful number, since it uses less digits than its factorization.

730143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2654 (or 2651 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 730143 is about 854.4840548542. The cubic root of 730143 is about 90.0470124753.

The spelling of 730143 in words is "seven hundred thirty thousand, one hundred forty-three".