85863142 has 16 divisors (see below), whose sum is σ = 133988400. Its totient is φ = 41217120.

The previous prime is 85863133. The next prime is 85863181. The reversal of 85863142 is 24136858.

It is a happy number.

It is a super-2 number, since 2×85863142² = 14744958308224328, which 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 7 ways as a sum of consecutive naturals, for example, 6409 + ... + 14587.

It is an arithmetic number, because the mean of its divisors is an integer number (8374275).

Almost surely, 2^85863142 is an apocalyptic number.

85863142 is a deficient number, since it is larger than the sum of its proper divisors (48125258).

85863142 is a wasteful number, since it uses less digits than its factorization.

85863142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8391.

The product of its digits is 46080, while the sum is 37.

The square root of 85863142 is about 9266.2366686805. The cubic root of 85863142 is about 441.1662277869.

It can be divided in two parts, 858 and 63142, that added together give a cube (64000 = 40³).

The spelling of 85863142 in words is "eighty-five million, eight hundred sixty-three thousand, one hundred forty-two".