430220645 has 8 divisors (see below), whose sum is σ = 530218104. Its totient is φ = 334874304.

The previous prime is 430220627. The next prime is 430220653. The reversal of 430220645 is 546022034.

It can be written as a sum of positive squares in 4 ways, for example, as 19509889 + 410710756 = 4417^2 + 20266^2 .

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 430220645 - 2¹⁶ = 430155109 is a prime.

It is a Duffinian number.

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, 1162574 + ... + 1162943.

It is an arithmetic number, because the mean of its divisors is an integer number (66277263).

Almost surely, 2^430220645 is an apocalyptic number.

It is an amenable number.

430220645 is a deficient number, since it is larger than the sum of its proper divisors (99997459).

430220645 is a wasteful number, since it uses less digits than its factorization.

430220645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2325559.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 430220645 is about 20741.7608943889. The cubic root of 430220645 is about 754.9133096377.

Adding to 430220645 its reverse (546022034), we get a palindrome (976242679).

The spelling of 430220645 in words is "four hundred thirty million, two hundred twenty thousand, six hundred forty-five".