145485 has 24 divisors (see below), whose sum is σ = 261144. Its totient is φ = 74880.

The previous prime is 145477. The next prime is 145487. The reversal of 145485 is 584541.

145485 = T₄₆ + T₄₇ + ... + T₉₈.

It can be written as a sum of positive squares in 4 ways, for example, as 2601 + 142884 = 51^2 + 378^2 .

It is not a de Polignac number, because 145485 - 2³ = 145477 is a prime.

It is a Curzon number.

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 145485.

It is not an unprimeable number, because it can be changed into a prime (145487) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2355 + ... + 2415.

It is an arithmetic number, because the mean of its divisors is an integer number (10881).

2¹⁴⁵⁴⁸⁵ is an apocalyptic number.

145485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145485 is a deficient number, since it is larger than the sum of its proper divisors (115659).

145485 is a wasteful number, since it uses less digits than its factorization.

145485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 122 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 145485 is about 381.4249598545. The cubic root of 145485 is about 52.5943880243.

It can be divided in two parts, 145 and 485, that added together give a triangular number (630 = T₃₅).

The spelling of 145485 in words is "one hundred forty-five thousand, four hundred eighty-five".