180289412 has 6 divisors (see below), whose sum is σ = 315506478. Its totient is φ = 90144704.

The previous prime is 180289399. The next prime is 180289451. The reversal of 180289412 is 214982081.

It can be written as a sum of positive squares in only one way, i.e., 126472516 + 53816896 = 11246^2 + 7336^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22536173 + ... + 22536180.

It is an arithmetic number, because the mean of its divisors is an integer number (52584413).

Almost surely, 2^180289412 is an apocalyptic number.

It is an amenable number.

180289412 is a deficient number, since it is larger than the sum of its proper divisors (135217066).

180289412 is a wasteful number, since it uses less digits than its factorization.

180289412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45072357 (or 45072355 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 180289412 is about 13427.1892814543. The cubic root of 180289412 is about 564.9240632014.

The spelling of 180289412 in words is "one hundred eighty million, two hundred eighty-nine thousand, four hundred twelve".