45134 has 4 divisors (see below), whose sum is σ = 67704. Its totient is φ = 22566.

The previous prime is 45131. The next prime is 45137. The reversal of 45134 is 43154.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43154 = 2 ⋅21577.

It is an interprime number because it is at equal distance from previous prime (45131) and next prime (45137).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11282 + ... + 11285.

It is an arithmetic number, because the mean of its divisors is an integer number (16926).

2⁴⁵¹³⁴ is an apocalyptic number.

45134 is a deficient number, since it is larger than the sum of its proper divisors (22570).

45134 is a wasteful number, since it uses less digits than its factorization.

45134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22569.

The product of its digits is 240, while the sum is 17.

The square root of 45134 is about 212.4476406082. The cubic root of 45134 is about 35.6042035183.

Adding to 45134 its reverse (43154), we get a palindrome (88288).

The spelling of 45134 in words is "forty-five thousand, one hundred thirty-four".