85236445 has 8 divisors (see below), whose sum is σ = 116895744. Its totient is φ = 58447824.

The previous prime is 85236421. The next prime is 85236461. The reversal of 85236445 is 54463258.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85236445 is a prime.

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, 1217629 + ... + 1217698.

It is an arithmetic number, because the mean of its divisors is an integer number (14611968).

Almost surely, 2^85236445 is an apocalyptic number.

It is an amenable number.

85236445 is a deficient number, since it is larger than the sum of its proper divisors (31659299).

85236445 is a wasteful number, since it uses less digits than its factorization.

85236445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2435339.

The product of its digits is 115200, while the sum is 37.

The square root of 85236445 is about 9232.3585827241. The cubic root of 85236445 is about 440.0902793402.

It can be divided in two parts, 852 and 36445, that multiplied together give a triangular number (31051140 = T₇₈₈₀).

The spelling of 85236445 in words is "eighty-five million, two hundred thirty-six thousand, four hundred forty-five".