201430456 has 16 divisors (see below), whose sum is σ = 378057240. Its totient is φ = 100615200.

The previous prime is 201430441. The next prime is 201430477. The reversal of 201430456 is 654034102.

It is a self number, because there is not a number n which added to its sum of digits gives 201430456.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3571 + ... + 20386.

Almost surely, 2^201430456 is an apocalyptic number.

It is an amenable number.

201430456 is a deficient number, since it is larger than the sum of its proper divisors (176626784).

201430456 is a wasteful number, since it uses less digits than its factorization.

201430456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25014 (or 25010 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 201430456 is about 14192.6197722619. The cubic root of 201430456 is about 586.1944630614.

Adding to 201430456 its reverse (654034102), we get a palindrome (855464558).

The spelling of 201430456 in words is "two hundred one million, four hundred thirty thousand, four hundred fifty-six".