180700452 has 36 divisors (see below), whose sum is σ = 469119196. Its totient is φ = 58605120.

The previous prime is 180700451. The next prime is 180700453. The reversal of 180700452 is 254007081.

It is an interprime number because it is at equal distance from previous prime (180700451) and next prime (180700453).

It can be written as a sum of positive squares in 2 ways, for example, as 95765796 + 84934656 = 9786^2 + 9216^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (180700451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66499 + ... + 69162.

Almost surely, 2^180700452 is an apocalyptic number.

180700452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

180700452 is an abundant number, since it is smaller than the sum of its proper divisors (288418744).

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

180700452 is a wasteful number, since it uses less digits than its factorization.

180700452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135708 (or 135703 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 180700452 is about 13442.4868235011. The cubic root of 180700452 is about 565.3530588908.

The spelling of 180700452 in words is "one hundred eighty million, seven hundred thousand, four hundred fifty-two".