424450645 has 8 divisors (see below), whose sum is σ = 539302104. Its totient is φ = 319586304.

The previous prime is 424450639. The next prime is 424450651. The reversal of 424450645 is 546054424.

It is an interprime number because it is at equal distance from previous prime (424450639) and next prime (424450651).

It can be written as a sum of positive squares in 4 ways, for example, as 76143076 + 348307569 = 8726^2 + 18663^2 .

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 424450645 - 2⁵ = 424450613 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 424450645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2496684 + ... + 2496853.

It is an arithmetic number, because the mean of its divisors is an integer number (67412763).

Almost surely, 2^424450645 is an apocalyptic number.

It is an amenable number.

424450645 is a deficient number, since it is larger than the sum of its proper divisors (114851459).

424450645 is a wasteful number, since it uses less digits than its factorization.

424450645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4993559.

The product of its (nonzero) digits is 76800, while the sum is 34.

The square root of 424450645 is about 20602.2000038831. The cubic root of 424450645 is about 751.5232124855.

The spelling of 424450645 in words is "four hundred twenty-four million, four hundred fifty thousand, six hundred forty-five".