85145404 has 6 divisors (see below), whose sum is σ = 149004464. Its totient is φ = 42572700.

The previous prime is 85145377. The next prime is 85145443. The reversal of 85145404 is 40454158.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10643172 + ... + 10643179.

Almost surely, 2^85145404 is an apocalyptic number.

It is an amenable number.

85145404 is a deficient number, since it is larger than the sum of its proper divisors (63859060).

85145404 is a wasteful number, since it uses less digits than its factorization.

85145404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21286355 (or 21286353 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 31.

The square root of 85145404 is about 9227.4267268833. The cubic root of 85145404 is about 439.9335367930.

The spelling of 85145404 in words is "eighty-five million, one hundred forty-five thousand, four hundred four".