45128085 has 16 divisors (see below), whose sum is σ = 73967040. Its totient is φ = 23480960.

The previous prime is 45128023. The next prime is 45128087. The reversal of 45128085 is 58082154.

It is not a de Polignac number, because 45128085 - 2⁸ = 45127829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45128087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36075 + ... + 37304.

It is an arithmetic number, because the mean of its divisors is an integer number (4622940).

Almost surely, 2^45128085 is an apocalyptic number.

It is an amenable number.

45128085 is a deficient number, since it is larger than the sum of its proper divisors (28838955).

45128085 is a wasteful number, since it uses less digits than its factorization.

45128085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73428.

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 45128085 is about 6717.7440409709. The cubic root of 45128085 is about 356.0264809027.

The spelling of 45128085 in words is "forty-five million, one hundred twenty-eight thousand, eighty-five".