180457814 has 4 divisors (see below), whose sum is σ = 270686724. Its totient is φ = 90228906.

The previous prime is 180457787. The next prime is 180457817. The reversal of 180457814 is 418754081.

It is a happy number.

180457814 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180457817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45114452 + ... + 45114455.

It is an arithmetic number, because the mean of its divisors is an integer number (67671681).

Almost surely, 2^180457814 is an apocalyptic number.

180457814 is a deficient number, since it is larger than the sum of its proper divisors (90228910).

180457814 is an equidigital number, since it uses as much as digits as its factorization.

180457814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90228909.

The product of its (nonzero) digits is 35840, while the sum is 38.

The square root of 180457814 is about 13433.4587504484. The cubic root of 180457814 is about 565.0999003657.

The spelling of 180457814 in words is "one hundred eighty million, four hundred fifty-seven thousand, eight hundred fourteen".