143985898 has 8 divisors (see below), whose sum is σ = 246832992. Its totient is φ = 61708236.

The previous prime is 143985889. The next prime is 143985929. The reversal of 143985898 is 898589341.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5142340 + ... + 5142367.

It is an arithmetic number, because the mean of its divisors is an integer number (30854124).

Almost surely, 2^143985898 is an apocalyptic number.

143985898 is a deficient number, since it is larger than the sum of its proper divisors (102847094).

143985898 is a wasteful number, since it uses less digits than its factorization.

143985898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10284716.

The product of its digits is 2488320, while the sum is 55.

The square root of 143985898 is about 11999.4124022804. The cubic root of 143985898 is about 524.1311682392.

The spelling of 143985898 in words is "one hundred forty-three million, nine hundred eighty-five thousand, eight hundred ninety-eight".