143389743 has 8 divisors (see below), whose sum is σ = 218498688. Its totient is φ = 81936984.

The previous prime is 143389709. The next prime is 143389811. The reversal of 143389743 is 347983341.

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

It is a de Polignac number, because none of the positive numbers 2^k-143389743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143389695 and 143389704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143389243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3414021 + ... + 3414062.

It is an arithmetic number, because the mean of its divisors is an integer number (27312336).

Almost surely, 2^143389743 is an apocalyptic number.

143389743 is a deficient number, since it is larger than the sum of its proper divisors (75108945).

143389743 is an equidigital number, since it uses as much as digits as its factorization.

143389743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6828093.

The product of its digits is 217728, while the sum is 42.

The square root of 143389743 is about 11974.5456281230. The cubic root of 143389743 is about 523.4068018168.

The spelling of 143389743 in words is "one hundred forty-three million, three hundred eighty-nine thousand, seven hundred forty-three".