145594 has 4 divisors (see below), whose sum is σ = 218394. Its totient is φ = 72796.

The previous prime is 145589. The next prime is 145601. The reversal of 145594 is 495541.

145594 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.

It can be written as a sum of positive squares in only one way, i.e., 119025 + 26569 = 345^2 + 163^2 .

It is a super-2 number, since 2×145594² = 42395225672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36397 + ... + 36400.

2¹⁴⁵⁵⁹⁴ is an apocalyptic number.

145594 is a deficient number, since it is larger than the sum of its proper divisors (72800).

145594 is an equidigital number, since it uses as much as digits as its factorization.

145594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72799.

The product of its digits is 3600, while the sum is 28.

The square root of 145594 is about 381.5678183495. The cubic root of 145594 is about 52.6075196351.

The spelling of 145594 in words is "one hundred forty-five thousand, five hundred ninety-four".