143479799 has 8 divisors (see below), whose sum is σ = 146765520. Its totient is φ = 140222656.

The previous prime is 143479771. The next prime is 143479801. The reversal of 143479799 is 997974341.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143479799 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 143479799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143479709) 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, 3179 + ... + 17235.

It is an arithmetic number, because the mean of its divisors is an integer number (18345690).

Almost surely, 2^143479799 is an apocalyptic number.

143479799 is a deficient number, since it is larger than the sum of its proper divisors (3285721).

143479799 is a wasteful number, since it uses less digits than its factorization.

143479799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14289.

The product of its digits is 1714608, while the sum is 53.

The square root of 143479799 is about 11978.3053475857. The cubic root of 143479799 is about 523.5163541867.

The spelling of 143479799 in words is "one hundred forty-three million, four hundred seventy-nine thousand, seven hundred ninety-nine".