143591043 has 8 divisors (see below), whose sum is σ = 196629328. Its totient is φ = 93140064.

The previous prime is 143591033. The next prime is 143591053. The reversal of 143591043 is 340195341.

It is an interprime number because it is at equal distance from previous prime (143591033) and next prime (143591053).

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

It is not a de Polignac number, because 143591043 - 2¹⁶ = 143525507 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 143591043.

It is not an unprimeable number, because it can be changed into a prime (143591033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 646696 + ... + 646917.

It is an arithmetic number, because the mean of its divisors is an integer number (24578666).

Almost surely, 2^143591043 is an apocalyptic number.

143591043 is a deficient number, since it is larger than the sum of its proper divisors (53038285).

143591043 is a wasteful number, since it uses less digits than its factorization.

143591043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293653.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 143591043 is about 11982.9480095676. The cubic root of 143591043 is about 523.6516183121.

The spelling of 143591043 in words is "one hundred forty-three million, five hundred ninety-one thousand, forty-three".