4223424145 has 8 divisors (see below), whose sum is σ = 5191721640. Its totient is φ = 3296330880.

The previous prime is 4223424133. The next prime is 4223424157. The reversal of 4223424145 is 5414243224.

It is an interprime number because it is at equal distance from previous prime (4223424133) and next prime (4223424157).

It can be written as a sum of positive squares in 4 ways, for example, as 97160449 + 4126263696 = 9857^2 + 64236^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4223424145 - 2⁷ = 4223424017 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10300830 + ... + 10301239.

It is an arithmetic number, because the mean of its divisors is an integer number (648965205).

Almost surely, 2^4223424145 is an apocalyptic number.

It is an amenable number.

4223424145 is a deficient number, since it is larger than the sum of its proper divisors (968297495).

4223424145 is a wasteful number, since it uses less digits than its factorization.

4223424145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20602115.

The product of its digits is 30720, while the sum is 31.

The square root of 4223424145 is about 64987.8769079280. The cubic root of 4223424145 is about 1616.4225463160.

Adding to 4223424145 its reverse (5414243224), we get a palindrome (9637667369).

The spelling of 4223424145 in words is "four billion, two hundred twenty-three million, four hundred twenty-four thousand, one hundred forty-five".