145683345 has 16 divisors (see below), whose sum is σ = 233396352. Its totient is φ = 77596800.

The previous prime is 145683341. The next prime is 145683359. The reversal of 145683345 is 543386541.

It is not a de Polignac number, because 145683345 - 2² = 145683341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145683341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6445 + ... + 18245.

It is an arithmetic number, because the mean of its divisors is an integer number (14587272).

Almost surely, 2^145683345 is an apocalyptic number.

145683345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145683345 is a deficient number, since it is larger than the sum of its proper divisors (87713007).

145683345 is a wasteful number, since it uses less digits than its factorization.

145683345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12632.

The product of its digits is 172800, while the sum is 39.

The square root of 145683345 is about 12069.9355839209. The cubic root of 145683345 is about 526.1827845237.

The spelling of 145683345 in words is "one hundred forty-five million, six hundred eighty-three thousand, three hundred forty-five".