180739245 has 16 divisors (see below), whose sum is σ = 289486080. Its totient is φ = 96293184.

The previous prime is 180739231. The next prime is 180739249. The reversal of 180739245 is 542937081.

It is not a de Polignac number, because 180739245 - 2²⁰ = 179690669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180739249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9787 + ... + 21383.

It is an arithmetic number, because the mean of its divisors is an integer number (18092880).

Almost surely, 2^180739245 is an apocalyptic number.

180739245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

180739245 is a deficient number, since it is larger than the sum of its proper divisors (108746835).

180739245 is a wasteful number, since it uses less digits than its factorization.

180739245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12644.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 180739245 is about 13443.9296710448. The cubic root of 180739245 is about 565.3935128976.

The spelling of 180739245 in words is "one hundred eighty million, seven hundred thirty-nine thousand, two hundred forty-five".