145611 has 8 divisors (see below), whose sum is σ = 215760. Its totient is φ = 97056.

The previous prime is 145603. The next prime is 145633. The reversal of 145611 is 116541.

145611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145611 - 2³ = 145603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2670 + ... + 2723.

It is an arithmetic number, because the mean of its divisors is an integer number (26970).

2¹⁴⁵⁶¹¹ is an apocalyptic number.

145611 is a deficient number, since it is larger than the sum of its proper divisors (70149).

145611 is an equidigital number, since it uses as much as digits as its factorization.

145611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5402 (or 5396 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 145611 is about 381.5900942111. The cubic root of 145611 is about 52.6095670936.

It can be divided in two parts, 14 and 5611, that added together give a square (5625 = 75²).

The spelling of 145611 in words is "one hundred forty-five thousand, six hundred eleven".