45634 has 4 divisors (see below), whose sum is σ = 68454. Its totient is φ = 22816.

The previous prime is 45631. The next prime is 45641. The reversal of 45634 is 43654.

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

It can be written as a sum of positive squares in only one way, i.e., 24025 + 21609 = 155^2 + 147^2 .

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 alternating number because its digits alternate between even and odd.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (45631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11407 + ... + 11410.

2⁴⁵⁶³⁴ is an apocalyptic number.

45634 is a deficient number, since it is larger than the sum of its proper divisors (22820).

45634 is a wasteful number, since it uses less digits than its factorization.

45634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22819.

The product of its digits is 1440, while the sum is 22.

The square root of 45634 is about 213.6211600006. The cubic root of 45634 is about 35.7351968967.

Adding to 45634 its product of digits (1440), we get a palindrome (47074).

The spelling of 45634 in words is "forty-five thousand, six hundred thirty-four".