45778 has 8 divisors (see below), whose sum is σ = 70272. Its totient is φ = 22356.

The previous prime is 45767. The next prime is 45779. The reversal of 45778 is 87754.

It is a happy number.

45778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a plaindrome in base 10 and base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45779) 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, 150 + ... + 337.

It is an arithmetic number, because the mean of its divisors is an integer number (8784).

2⁴⁵⁷⁷⁸ is an apocalyptic number.

45778 is a deficient number, since it is larger than the sum of its proper divisors (24494).

45778 is a wasteful number, since it uses less digits than its factorization.

45778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536.

The product of its digits is 7840, while the sum is 31.

The square root of 45778 is about 213.9579397919. The cubic root of 45778 is about 35.7727453997.

It can be divided in two parts, 457 and 78, that added together give a palindrome (535).

The spelling of 45778 in words is "forty-five thousand, seven hundred seventy-eight".