45454 has 4 divisors (see below), whose sum is σ = 68184. Its totient is φ = 22726.

The previous prime is 45439. The next prime is 45481.

45454 is nontrivially palindromic in base 10.

45454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

45454 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

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

It is a super-2 number, since 2×45454² = 4132132232, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

45454 is an undulating number in base 10.

It is a plaindrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11362 + ... + 11365.

It is an arithmetic number, because the mean of its divisors is an integer number (17046).

2⁴⁵⁴⁵⁴ is an apocalyptic number.

45454 is a deficient number, since it is larger than the sum of its proper divisors (22730).

45454 is a wasteful number, since it uses less digits than its factorization.

45454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22729.

The product of its digits is 1600, while the sum is 22.

The square root of 45454 is about 213.1994371475. The cubic root of 45454 is about 35.6881500214.

The spelling of 45454 in words is "forty-five thousand, four hundred fifty-four".