454543899 has 4 divisors (see below), whose sum is σ = 606058536. Its totient is φ = 303029264.

The previous prime is 454543889. The next prime is 454543933. The reversal of 454543899 is 998345454.

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 454543899 - 2¹⁵ = 454511131 is a prime.

It is a super-2 number, since 2×454543899² = 413220312236244402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (454543889) 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, 75757314 + ... + 75757319.

It is an arithmetic number, because the mean of its divisors is an integer number (151514634).

Almost surely, 2^454543899 is an apocalyptic number.

454543899 is a deficient number, since it is larger than the sum of its proper divisors (151514637).

454543899 is a wasteful number, since it uses less digits than its factorization.

454543899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151514636.

The product of its digits is 3110400, while the sum is 51.

The square root of 454543899 is about 21320.0351547553. The cubic root of 454543899 is about 768.8800827395.

The spelling of 454543899 in words is "four hundred fifty-four million, five hundred forty-three thousand, eight hundred ninety-nine".