85453042 has 4 divisors (see below), whose sum is σ = 128179566. Its totient is φ = 42726520.

The previous prime is 85453021. The next prime is 85453087. The reversal of 85453042 is 24035458.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 43837641 + 41615401 = 6621^2 + 6451^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 85452995 and 85453013.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21363259 + ... + 21363262.

Almost surely, 2^85453042 is an apocalyptic number.

85453042 is a deficient number, since it is larger than the sum of its proper divisors (42726524).

85453042 is a wasteful number, since it uses less digits than its factorization.

85453042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42726523.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 85453042 is about 9244.0814578843. The cubic root of 85453042 is about 440.4627397587.

The spelling of 85453042 in words is "eighty-five million, four hundred fifty-three thousand, forty-two".