60439143 has 4 divisors (see below), whose sum is σ = 80585528. Its totient is φ = 40292760.

The previous prime is 60439139. The next prime is 60439151. The reversal of 60439143 is 34193406.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 60439143 - 2² = 60439139 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 60439143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60439343) 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, 10073188 + ... + 10073193.

It is an arithmetic number, because the mean of its divisors is an integer number (20146382).

Almost surely, 2^60439143 is an apocalyptic number.

60439143 is a deficient number, since it is larger than the sum of its proper divisors (20146385).

60439143 is a wasteful number, since it uses less digits than its factorization.

60439143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20146384.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 60439143 is about 7774.2615726511. The cubic root of 60439143 is about 392.4395471286.

The spelling of 60439143 in words is "sixty million, four hundred thirty-nine thousand, one hundred forty-three".