7145943 has 8 divisors (see below), whose sum is σ = 10889088. Its totient is φ = 4083384.

The previous prime is 7145923. The next prime is 7145947. The reversal of 7145943 is 3495417.

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

It is not a de Polignac number, because 7145943 - 2¹⁴ = 7129559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7145947) 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, 170121 + ... + 170162.

It is an arithmetic number, because the mean of its divisors is an integer number (1361136).

Almost surely, 2^7145943 is an apocalyptic number.

7145943 is a deficient number, since it is larger than the sum of its proper divisors (3743145).

7145943 is a wasteful number, since it uses less digits than its factorization.

7145943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340293.

The product of its digits is 15120, while the sum is 33.

The square root of 7145943 is about 2673.1896677939. The cubic root of 7145943 is about 192.6134081842.

The spelling of 7145943 in words is "seven million, one hundred forty-five thousand, nine hundred forty-three".