145824223 has 16 divisors (see below), whose sum is σ = 153014400. Its totient is φ = 138852000.

The previous prime is 145824199. The next prime is 145824247. The reversal of 145824223 is 322428541.

It is an interprime number because it is at equal distance from previous prime (145824199) and next prime (145824247).

It is a cyclic number.

It is not a de Polignac number, because 145824223 - 2⁵ = 145824191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145824023) 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, 580848 + ... + 581098.

It is an arithmetic number, because the mean of its divisors is an integer number (9563400).

Almost surely, 2^145824223 is an apocalyptic number.

145824223 is a deficient number, since it is larger than the sum of its proper divisors (7190177).

145824223 is a wasteful number, since it uses less digits than its factorization.

145824223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582.

The product of its digits is 15360, while the sum is 31.

The square root of 145824223 is about 12075.7700789639. The cubic root of 145824223 is about 526.3523387876.

The spelling of 145824223 in words is "one hundred forty-five million, eight hundred twenty-four thousand, two hundred twenty-three".