145766 has 4 divisors (see below), whose sum is σ = 218652. Its totient is φ = 72882.

The previous prime is 145759. The next prime is 145771. The reversal of 145766 is 667541.

145766 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 is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36440 + ... + 36443.

It is an arithmetic number, because the mean of its divisors is an integer number (54663).

2¹⁴⁵⁷⁶⁶ is an apocalyptic number.

145766 is a deficient number, since it is larger than the sum of its proper divisors (72886).

145766 is an equidigital number, since it uses as much as digits as its factorization.

145766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72885.

The product of its digits is 5040, while the sum is 29.

The square root of 145766 is about 381.7931377068. The cubic root of 145766 is about 52.6282277515.

The spelling of 145766 in words is "one hundred forty-five thousand, seven hundred sixty-six".