180368542 has 8 divisors (see below), whose sum is σ = 274363632. Its totient is φ = 88914000.

The previous prime is 180368537. The next prime is 180368543. The reversal of 180368542 is 245863081.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180368543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 634959 + ... + 635242.

It is an arithmetic number, because the mean of its divisors is an integer number (34295454).

Almost surely, 2^180368542 is an apocalyptic number.

180368542 is a deficient number, since it is larger than the sum of its proper divisors (93995090).

180368542 is a wasteful number, since it uses less digits than its factorization.

180368542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270274.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 180368542 is about 13430.1355912738. The cubic root of 180368542 is about 565.0067005236.

The spelling of 180368542 in words is "one hundred eighty million, three hundred sixty-eight thousand, five hundred forty-two".