4145943 has 8 divisors (see below), whose sum is σ = 5853168. Its totient is φ = 2601344.

The previous prime is 4145891. The next prime is 4145951. The reversal of 4145943 is 3495414.

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 4145943 - 2¹⁰ = 4144919 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4145943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4145983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40596 + ... + 40697.

It is an arithmetic number, because the mean of its divisors is an integer number (731646).

Almost surely, 2^4145943 is an apocalyptic number.

4145943 is a deficient number, since it is larger than the sum of its proper divisors (1707225).

4145943 is a wasteful number, since it uses less digits than its factorization.

4145943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81313.

The product of its digits is 8640, while the sum is 30.

The square root of 4145943 is about 2036.1588837809. The cubic root of 4145943 is about 160.6476741800.

The spelling of 4145943 in words is "four million, one hundred forty-five thousand, nine hundred forty-three".