180625000 has 96 divisors (see below), whose sum is σ = 449705880. Its totient is φ = 68000000.

The previous prime is 180624989. The next prime is 180625013. The reversal of 180625000 is 526081.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 12 ways, for example, as 174081636 + 6543364 = 13194^2 + 2558^2 .

It is a nialpdrome in base 5.

It is a zygodrome in base 5.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10624992 + ... + 10625008.

Almost surely, 2^180625000 is an apocalyptic number.

180625000 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 180625000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224852940).

180625000 is an abundant number, since it is smaller than the sum of its proper divisors (269080880).

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

180625000 is an frugal number, since it uses more digits than its factorization.

180625000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75 (or 24 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 180625000 is about 13439.6800557156. The cubic root of 180625000 is about 565.2743596640.

The spelling of 180625000 in words is "one hundred eighty million, six hundred twenty-five thousand".