45171700 has 72 divisors (see below), whose sum is σ = 114492672. Its totient is φ = 15146880.

The previous prime is 45171689. The next prime is 45171733. The reversal of 45171700 is 717154.

45171700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32214 + ... + 33586.

It is an arithmetic number, because the mean of its divisors is an integer number (1590176).

Almost surely, 2^45171700 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45171700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57246336).

45171700 is an abundant number, since it is smaller than the sum of its proper divisors (69320972).

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

45171700 is a wasteful number, since it uses less digits than its factorization.

45171700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441 (or 1434 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 45171700 is about 6720.9895104813. The cubic root of 45171700 is about 356.1411404336.

Adding to 45171700 its reverse (717154), we get a palindrome (45888854).

The spelling of 45171700 in words is "forty-five million, one hundred seventy-one thousand, seven hundred".