22830145 has 16 divisors (see below), whose sum is σ = 30788352. Its totient is φ = 16125120.

The previous prime is 22830127. The next prime is 22830149. The reversal of 22830145 is 54103822.

It is not a de Polignac number, because 22830145 - 2⁵ = 22830113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22830149) 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, 6141 + ... + 9130.

It is an arithmetic number, because the mean of its divisors is an integer number (1924272).

Almost surely, 2^22830145 is an apocalyptic number.

It is an amenable number.

22830145 is a deficient number, since it is larger than the sum of its proper divisors (7958207).

22830145 is a wasteful number, since it uses less digits than its factorization.

22830145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15312.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 22830145 is about 4778.0900996109. The cubic root of 22830145 is about 283.6849022976.

Adding to 22830145 its reverse (54103822), we get a palindrome (76933967).

The spelling of 22830145 in words is "twenty-two million, eight hundred thirty thousand, one hundred forty-five".