143864494 has 8 divisors (see below), whose sum is σ = 225179280. Its totient is φ = 68804736.

The previous prime is 143864453. The next prime is 143864507. The reversal of 143864494 is 494468341.

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

It is a self number, because there is not a number n which added to its sum of digits gives 143864494.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1563699 + ... + 1563790.

It is an arithmetic number, because the mean of its divisors is an integer number (28147410).

Almost surely, 2^143864494 is an apocalyptic number.

143864494 is a deficient number, since it is larger than the sum of its proper divisors (81314786).

143864494 is a wasteful number, since it uses less digits than its factorization.

143864494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3127514.

The product of its digits is 331776, while the sum is 43.

The square root of 143864494 is about 11994.3525877806. The cubic root of 143864494 is about 523.9838169739.

The spelling of 143864494 in words is "one hundred forty-three million, eight hundred sixty-four thousand, four hundred ninety-four".