9000455 has 4 divisors (see below), whose sum is σ = 10800552. Its totient is φ = 7200360.

The previous prime is 9000451. The next prime is 9000461. The reversal of 9000455 is 5540009.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5540009 = 877 ⋅6317.

It is not a de Polignac number, because 9000455 - 2² = 9000451 is a prime.

It is an Ulam number.

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 9000455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9000451) 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, 900041 + ... + 900050.

It is an arithmetic number, because the mean of its divisors is an integer number (2700138).

Almost surely, 2^9000455 is an apocalyptic number.

9000455 is a deficient number, since it is larger than the sum of its proper divisors (1800097).

9000455 is a wasteful number, since it uses less digits than its factorization.

9000455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800096.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 9000455 is about 3000.0758323749. The cubic root of 9000455 is about 208.0118875726.

The spelling of 9000455 in words is "nine million, four hundred fifty-five", and thus it is an aban number.