422432145 has 64 divisors (see below), whose sum is σ = 805040640. Its totient is φ = 209620224.

The previous prime is 422432141. The next prime is 422432159. The reversal of 422432145 is 541234224.

It is not a de Polignac number, because 422432145 - 2² = 422432141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (422432141) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 113047 + ... + 116723.

It is an arithmetic number, because the mean of its divisors is an integer number (12578760).

Almost surely, 2^422432145 is an apocalyptic number.

422432145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

422432145 is a deficient number, since it is larger than the sum of its proper divisors (382608495).

422432145 is a wasteful number, since it uses less digits than its factorization.

422432145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3751 (or 3745 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 422432145 is about 20553.1541375041. The cubic root of 422432145 is about 750.3300147657.

Adding to 422432145 its reverse (541234224), we get a palindrome (963666369).

The spelling of 422432145 in words is "four hundred twenty-two million, four hundred thirty-two thousand, one hundred forty-five".