454243243 has 4 divisors (see below), whose sum is σ = 457511320. Its totient is φ = 450975168.

The previous prime is 454243219. The next prime is 454243253. The reversal of 454243243 is 342342454.

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 454243243 - 2¹⁷ = 454112171 is a prime.

It is a super-2 number, since 2×454243243² = 412673847622314098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (454243253) 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, 1633830 + ... + 1634107.

It is an arithmetic number, because the mean of its divisors is an integer number (114377830).

Almost surely, 2^454243243 is an apocalyptic number.

454243243 is a deficient number, since it is larger than the sum of its proper divisors (3268077).

454243243 is a wasteful number, since it uses less digits than its factorization.

454243243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3268076.

The product of its digits is 46080, while the sum is 31.

The square root of 454243243 is about 21312.9829681347. The cubic root of 454243243 is about 768.7105212678.

Adding to 454243243 its reverse (342342454), we get a palindrome (796585697).

The spelling of 454243243 in words is "four hundred fifty-four million, two hundred forty-three thousand, two hundred forty-three".