85142243702 has 8 divisors (see below), whose sum is σ = 132117274800. Its totient is φ = 41103152104.

The previous prime is 85142243587. The next prime is 85142243713. The reversal of 85142243702 is 20734224158.

It is a happy number.

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

It is a super-2 number, since 2×85142243702² (a number of 23 digits) contains 22 as substring.

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, 733984802 + ... + 733984917.

It is an arithmetic number, because the mean of its divisors is an integer number (16514659350).

Almost surely, 2^85142243702 is an apocalyptic number.

85142243702 is a deficient number, since it is larger than the sum of its proper divisors (46975031098).

85142243702 is a wasteful number, since it uses less digits than its factorization.

85142243702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467969750.

The product of its (nonzero) digits is 107520, while the sum is 38.

The spelling of 85142243702 in words is "eighty-five billion, one hundred forty-two million, two hundred forty-three thousand, seven hundred two".