143289678473 has 4 divisors (see below), whose sum is σ = 143290777668. Its totient is φ = 143288579280.

The previous prime is 143289678379. The next prime is 143289678491. The reversal of 143289678473 is 374876982341.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 114289972624 + 28999705849 = 338068^2 + 170293^2 .

It is a cyclic number.

It is not a de Polignac number, because 143289678473 - 2³⁰ = 142215936649 is a prime.

It is a super-2 number, since 2×143289678473² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143289678073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322886 + ... + 625167.

It is an arithmetic number, because the mean of its divisors is an integer number (35822694417).

Almost surely, 2^143289678473 is an apocalyptic number.

It is an amenable number.

143289678473 is a deficient number, since it is larger than the sum of its proper divisors (1099195).

143289678473 is an equidigital number, since it uses as much as digits as its factorization.

143289678473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099194.

The product of its digits is 48771072, while the sum is 62.

The spelling of 143289678473 in words is "one hundred forty-three billion, two hundred eighty-nine million, six hundred seventy-eight thousand, four hundred seventy-three".