145183345 has 4 divisors (see below), whose sum is σ = 174220020. Its totient is φ = 116146672.

The previous prime is 145183343. The next prime is 145183387. The reversal of 145183345 is 543381541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 113294736 + 31888609 = 10644^2 + 5647^2 .

It is a cyclic number.

It is not a de Polignac number, because 145183345 - 2¹ = 145183343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145183345.

It is not an unprimeable number, because it can be changed into a prime (145183343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14518330 + ... + 14518339.

It is an arithmetic number, because the mean of its divisors is an integer number (43555005).

Almost surely, 2^145183345 is an apocalyptic number.

It is an amenable number.

145183345 is a deficient number, since it is larger than the sum of its proper divisors (29036675).

145183345 is an equidigital number, since it uses as much as digits as its factorization.

145183345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29036674.

The product of its digits is 28800, while the sum is 34.

The square root of 145183345 is about 12049.2051605075. The cubic root of 145183345 is about 525.5801236569.

The spelling of 145183345 in words is "one hundred forty-five million, one hundred eighty-three thousand, three hundred forty-five".