45000066 has 32 divisors (see below), whose sum is σ = 93976128. Its totient is φ = 14351040.

The previous prime is 45000061. The next prime is 45000077. The reversal of 45000066 is 66000054.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45000061) 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, 11881 + ... + 15203.

It is an arithmetic number, because the mean of its divisors is an integer number (2936754).

Almost surely, 2^45000066 is an apocalyptic number.

45000066 is an abundant number, since it is smaller than the sum of its proper divisors (48976062).

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

45000066 is a wasteful number, since it uses less digits than its factorization.

45000066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3426.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 45000066 is about 6708.2088518471. The cubic root of 45000066 is about 355.6895043415.

The spelling of 45000066 in words is "forty-five million, sixty-six", and thus it is an aban number and an uban number.