85445746 has 4 divisors (see below), whose sum is σ = 128168622. Its totient is φ = 42722872.

The previous prime is 85445729. The next prime is 85445753. The reversal of 85445746 is 64754458.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64754458 = 2 ⋅32377229.

It can be written as a sum of positive squares in only one way, i.e., 77633721 + 7812025 = 8811^2 + 2795^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21361435 + ... + 21361438.

Almost surely, 2^85445746 is an apocalyptic number.

85445746 is a deficient number, since it is larger than the sum of its proper divisors (42722876).

85445746 is a wasteful number, since it uses less digits than its factorization.

85445746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42722875.

The product of its digits is 537600, while the sum is 43.

The square root of 85445746 is about 9243.6868185806. The cubic root of 85445746 is about 440.4502037992.

The spelling of 85445746 in words is "eighty-five million, four hundred forty-five thousand, seven hundred forty-six".