84545512 has 16 divisors (see below), whose sum is σ = 161122500. Its totient is φ = 41579520.

The previous prime is 84545501. The next prime is 84545557. The reversal of 84545512 is 21554548.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 84529636 + 15876 = 9194^2 + 126^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86137 + ... + 87112.

Almost surely, 2^84545512 is an apocalyptic number.

It is an amenable number.

84545512 is a deficient number, since it is larger than the sum of its proper divisors (76576988).

84545512 is a wasteful number, since it uses less digits than its factorization.

84545512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173316 (or 173312 counting only the distinct ones).

The product of its digits is 32000, while the sum is 34.

The square root of 84545512 is about 9194.8633486311. The cubic root of 84545512 is about 438.8979168100.

The spelling of 84545512 in words is "eighty-four million, five hundred forty-five thousand, five hundred twelve".