145434 has 8 divisors (see below), whose sum is σ = 290880. Its totient is φ = 48476.

The previous prime is 145433. The next prime is 145441. The reversal of 145434 is 434541.

It is a sphenic number, since it is the product of 3 distinct primes.

145434 is an admirable number.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 145434.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 145434.

It is not an unprimeable number, because it can be changed into a prime (145433) 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 in 3 ways as a sum of consecutive naturals, for example, 12114 + ... + 12125.

It is an arithmetic number, because the mean of its divisors is an integer number (36360).

2¹⁴⁵⁴³⁴ is an apocalyptic number.

145434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

145434 is a wasteful number, since it uses less digits than its factorization.

145434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24244.

The product of its digits is 960, while the sum is 21.

The square root of 145434 is about 381.3580994289. The cubic root of 145434 is about 52.5882416237.

Adding to 145434 its reverse (434541), we get a palindrome (579975).

The spelling of 145434 in words is "one hundred forty-five thousand, four hundred thirty-four".