145365 has 16 divisors (see below), whose sum is σ = 254016. Its totient is φ = 70400.

The previous prime is 145361. The next prime is 145381. The reversal of 145365 is 563541.

It is not a de Polignac number, because 145365 - 2² = 145361 is a prime.

It is a super-2 number, since 2×145365² = 42261966450, which contains 22 as substring.

Its product of digits (1800) is a multiple of the sum of its prime divisors (900).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 145365.

It is not an unprimeable number, because it can be changed into a prime (145361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276 + ... + 605.

It is an arithmetic number, because the mean of its divisors is an integer number (15876).

2¹⁴⁵³⁶⁵ is an apocalyptic number.

145365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145365 is a deficient number, since it is larger than the sum of its proper divisors (108651).

145365 is a wasteful number, since it uses less digits than its factorization.

145365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900.

The product of its digits is 1800, while the sum is 24.

The square root of 145365 is about 381.2676225435. The cubic root of 145365 is about 52.5799236176.

It can be divided in two parts, 14536 and 5, that added together give a palindrome (14541).

The spelling of 145365 in words is "one hundred forty-five thousand, three hundred sixty-five".