185050000 has 60 divisors (see below), whose sum is σ = 448260372. Its totient is φ = 74000000.

The previous prime is 185049967. The next prime is 185050007. The reversal of 185050000 is 50581.

It can be written as a sum of positive squares in 6 ways, for example, as 159365376 + 25684624 = 12624^2 + 5068^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 185050000.

It is not an unprimeable number, because it can be changed into a prime (185050007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48150 + ... + 51850.

Almost surely, 2^185050000 is an apocalyptic number.

185050000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 185050000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224130186).

185050000 is an abundant number, since it is smaller than the sum of its proper divisors (263210372).

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

185050000 is an frugal number, since it uses more digits than its factorization.

185050000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3734 (or 3708 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 185050000 is about 13603.3084211158. The cubic root of 185050000 is about 569.8532504130.

The spelling of 185050000 in words is "one hundred eighty-five million, fifty thousand".