6445036142 has 8 divisors (see below), whose sum is σ = 9928839576. Its totient is φ = 3135422952.

The previous prime is 6445036133. The next prime is 6445036207. The reversal of 6445036142 is 2416305446.

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

It is a congruent number.

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, 43547468 + ... + 43547615.

It is an arithmetic number, because the mean of its divisors is an integer number (1241104947).

Almost surely, 2^6445036142 is an apocalyptic number.

6445036142 is a deficient number, since it is larger than the sum of its proper divisors (3483803434).

6445036142 is a wasteful number, since it uses less digits than its factorization.

6445036142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87095122.

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 6445036142 is about 80280.9824429173. The cubic root of 6445036142 is about 1860.9803424558.

The spelling of 6445036142 in words is "six billion, four hundred forty-five million, thirty-six thousand, one hundred forty-two".