18445050 has 96 divisors (see below), whose sum is σ = 54788160. Its totient is φ = 4536000.

The previous prime is 18445027. The next prime is 18445079. The reversal of 18445050 is 5054481.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17025 + ... + 18075.

It is an arithmetic number, because the mean of its divisors is an integer number (570710).

Almost surely, 2^18445050 is an apocalyptic number.

18445050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 18445050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27394080).

18445050 is an abundant number, since it is smaller than the sum of its proper divisors (36343110).

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

18445050 is a wasteful number, since it uses less digits than its factorization.

18445050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085 (or 1074 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 18445050 is about 4294.7700753358. The cubic root of 18445050 is about 264.2165062791.

The spelling of 18445050 in words is "eighteen million, four hundred forty-five thousand, fifty".