143997398499 has 8 divisors (see below), whose sum is σ = 192008331792. Its totient is φ = 95992365440.

The previous prime is 143997398477. The next prime is 143997398509. The reversal of 143997398499 is 994893799341.

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

It is a cyclic number.

It is not a de Polignac number, because 143997398499 - 2⁷ = 143997398371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 143997398499.

It is not an unprimeable number, because it can be changed into a prime (143997399499) 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, 1417794 + ... + 1515959.

It is an arithmetic number, because the mean of its divisors is an integer number (24001041474).

Almost surely, 2^143997398499 is an apocalyptic number.

143997398499 is a deficient number, since it is larger than the sum of its proper divisors (48010933293).

143997398499 is a wasteful number, since it uses less digits than its factorization.

143997398499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2950117.

The product of its digits is 476171136, while the sum is 75.

The spelling of 143997398499 in words is "one hundred forty-three billion, nine hundred ninety-seven million, three hundred ninety-eight thousand, four hundred ninety-nine".