143690842 has 8 divisors (see below), whose sum is σ = 219189600. Its totient is φ = 70627644.

The previous prime is 143690831. The next prime is 143690873. The reversal of 143690842 is 248096341.

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, 608742 + ... + 608977.

It is an arithmetic number, because the mean of its divisors is an integer number (27398700).

Almost surely, 2^143690842 is an apocalyptic number.

143690842 is a deficient number, since it is larger than the sum of its proper divisors (75498758).

143690842 is a wasteful number, since it uses less digits than its factorization.

143690842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217780.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 143690842 is about 11987.1114952686. Note that the first 3 decimals coincide. The cubic root of 143690842 is about 523.7729067624.

The spelling of 143690842 in words is "one hundred forty-three million, six hundred ninety thousand, eight hundred forty-two".