424623445 has 8 divisors (see below), whose sum is σ = 510088536. Its totient is φ = 339338496.

The previous prime is 424623431. The next prime is 424623449. The reversal of 424623445 is 544326424.

It can be written as a sum of positive squares in 4 ways, for example, as 25542916 + 399080529 = 5054^2 + 19977^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 424623445 - 2⁷ = 424623317 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 424623445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424623449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39792 + ... + 49321.

It is an arithmetic number, because the mean of its divisors is an integer number (63761067).

Almost surely, 2^424623445 is an apocalyptic number.

It is an amenable number.

424623445 is a deficient number, since it is larger than the sum of its proper divisors (85465091).

424623445 is an equidigital number, since it uses as much as digits as its factorization.

424623445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90071.

The product of its digits is 92160, while the sum is 34.

The square root of 424623445 is about 20606.3933040210. The cubic root of 424623445 is about 751.6251839739.

Adding to 424623445 its reverse (544326424), we get a palindrome (968949869).

The spelling of 424623445 in words is "four hundred twenty-four million, six hundred twenty-three thousand, four hundred forty-five".