145304 has 16 divisors (see below), whose sum is σ = 279720. Its totient is φ = 70720.

The previous prime is 145303. The next prime is 145307. The reversal of 145304 is 403541.

145304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145304² = 42226504832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107 + ... + 549.

2¹⁴⁵³⁰⁴ is an apocalyptic number.

It is an amenable number.

145304 is a deficient number, since it is larger than the sum of its proper divisors (134416).

145304 is a wasteful number, since it uses less digits than its factorization.

145304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490 (or 486 counting only the distinct ones).

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

The square root of 145304 is about 381.1876178472. The cubic root of 145304 is about 52.5725678257.

Adding to 145304 its reverse (403541), we get a palindrome (548845).

The spelling of 145304 in words is "one hundred forty-five thousand, three hundred four".