455330431 has 4 divisors (see below), whose sum is σ = 482114592. Its totient is φ = 428546272.

The previous prime is 455330423. The next prime is 455330437. The reversal of 455330431 is 134033554.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 455330431 - 2³ = 455330423 is a prime.

It is a super-3 number, since 3×455330431³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 455330431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455330437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13392055 + ... + 13392088.

It is an arithmetic number, because the mean of its divisors is an integer number (120528648).

Almost surely, 2^455330431 is an apocalyptic number.

455330431 is a deficient number, since it is larger than the sum of its proper divisors (26784161).

455330431 is a wasteful number, since it uses less digits than its factorization.

455330431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26784160.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 455330431 is about 21338.4730240943. The cubic root of 455330431 is about 769.3233111502.

Adding to 455330431 its reverse (134033554), we get a palindrome (589363985).

The spelling of 455330431 in words is "four hundred fifty-five million, three hundred thirty thousand, four hundred thirty-one".