145134 has 24 divisors (see below), whose sum is σ = 343512. Its totient is φ = 43920.

The previous prime is 145133. The next prime is 145139. The reversal of 145134 is 431541.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169 + ... + 564.

It is an arithmetic number, because the mean of its divisors is an integer number (14313).

2¹⁴⁵¹³⁴ is an apocalyptic number.

145134 is an abundant number, since it is smaller than the sum of its proper divisors (198378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145134 is a wasteful number, since it uses less digits than its factorization.

145134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752 (or 749 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 145134 is about 380.9645652813. The cubic root of 145134 is about 52.5520572083.

Adding to 145134 its reverse (431541), we get a palindrome (576675).

It can be divided in two parts, 1451 and 34, that added together give a triangular number (1485 = T₅₄).

The spelling of 145134 in words is "one hundred forty-five thousand, one hundred thirty-four".