145234 has 4 divisors (see below), whose sum is σ = 217854. Its totient is φ = 72616.

The previous prime is 145219. The next prime is 145253. The reversal of 145234 is 432541.

145234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 432541 = 47 ⋅9203.

It can be written as a sum of positive squares in only one way, i.e., 81225 + 64009 = 285^2 + 253^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36307 + ... + 36310.

2¹⁴⁵²³⁴ is an apocalyptic number.

145234 is a deficient number, since it is larger than the sum of its proper divisors (72620).

145234 is an equidigital number, since it uses as much as digits as its factorization.

145234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72619.

The product of its digits is 480, while the sum is 19.

The square root of 145234 is about 381.0957884837. The cubic root of 145234 is about 52.5641242158.

Adding to 145234 its reverse (432541), we get a palindrome (577775).

It can be divided in two parts, 145 and 234, that multiplied together give a triangular number (33930 = T₂₆₀).

The spelling of 145234 in words is "one hundred forty-five thousand, two hundred thirty-four".