45434 has 4 divisors (see below), whose sum is σ = 68154.
Its totient is φ = 22716.
The previous prime is 45433. The next prime is 45439. The reversal of 45434 is 43454.
It is a happy number.
45434 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, and also an emirpimes, since its reverse is a distinct semiprime: 43454 = 2 ⋅21727.
It can be written as a sum of positive squares in only one way, i.e., 41209 + 4225 = 203^2 + 65^2
It is an alternating number because its digits alternate between even and odd.
It is a plaindrome in base 13.
It is not an unprimeable number, because it can be changed into a prime (45433) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11357 + ... + 11360.
245434 is an apocalyptic number.
45434 is a deficient number, since it is larger than the sum of its proper divisors (22720).
45434 is a wasteful number, since it uses less digits than its factorization.
45434 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22719.
The product of its digits is 960, while the sum is 20.
The square root of 45434 is about 213.1525275478.
The cubic root of 45434 is about 35.6829149287.
Adding to 45434 its sum of digits (20), we get a palindrome (45454).
Adding to 45434 its reverse (43454), we get a palindrome (88888).
It can be divided in two parts, 4 and 5434, that multiplied together give a triangular number (21736 = T208).
The spelling of 45434 in words is "forty-five thousand, four hundred thirty-four".