201430455 has 16 divisors (see below), whose sum is σ = 323086560. Its totient is φ = 107163648.

The previous prime is 201430441. The next prime is 201430477. The reversal of 201430455 is 554034102.

It is not a de Polignac number, because 201430455 - 2¹² = 201426359 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10282 + ... + 22551.

It is an arithmetic number, because the mean of its divisors is an integer number (20192910).

Almost surely, 2^201430455 is an apocalyptic number.

201430455 is a deficient number, since it is larger than the sum of its proper divisors (121656105).

201430455 is a wasteful number, since it uses less digits than its factorization.

201430455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33250.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 201430455 is about 14192.6197370323. The cubic root of 201430455 is about 586.1944620914.

Adding to 201430455 its reverse (554034102), we get a palindrome (755464557).

The spelling of 201430455 in words is "two hundred one million, four hundred thirty thousand, four hundred fifty-five".