85445652 has 12 divisors (see below), whose sum is σ = 199373216. Its totient is φ = 28481880.

The previous prime is 85445609. The next prime is 85445653. The reversal of 85445652 is 25654458.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 85445652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85445653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3560224 + ... + 3560247.

Almost surely, 2^85445652 is an apocalyptic number.

It is an amenable number.

85445652 is an abundant number, since it is smaller than the sum of its proper divisors (113927564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85445652 is a wasteful number, since it uses less digits than its factorization.

85445652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7120478 (or 7120476 counting only the distinct ones).

The product of its digits is 192000, while the sum is 39.

The square root of 85445652 is about 9243.6817340278. The cubic root of 85445652 is about 440.4500422841.

It can be divided in two parts, 8544 and 5652, that added together give a triangular number (14196 = T₁₆₈).

The spelling of 85445652 in words is "eighty-five million, four hundred forty-five thousand, six hundred fifty-two".