180298469 has 8 divisors (see below), whose sum is σ = 194872440. Its totient is φ = 165825216.

The previous prime is 180298453. The next prime is 180298487. The reversal of 180298469 is 964892081.

It can be written as a sum of positive squares in 4 ways, for example, as 3062500 + 177235969 = 1750^2 + 13313^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 180298469 - 2⁴ = 180298453 is a prime.

It is a super-2 number, since 2×180298469² = 65015075847487922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180298409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21434 + ... + 28635.

It is an arithmetic number, because the mean of its divisors is an integer number (24359055).

Almost surely, 2^180298469 is an apocalyptic number.

It is an amenable number.

180298469 is a deficient number, since it is larger than the sum of its proper divisors (14573971).

180298469 is a wasteful number, since it uses less digits than its factorization.

180298469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50359.

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 180298469 is about 13427.5265406552. The cubic root of 180298469 is about 564.9335228650.

The spelling of 180298469 in words is "one hundred eighty million, two hundred ninety-eight thousand, four hundred sixty-nine".