454543231 has 4 divisors (see below), whose sum is σ = 454665952. Its totient is φ = 454420512.

The previous prime is 454543091. The next prime is 454543237. The reversal of 454543231 is 132345454.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132345454 = 2 ⋅66172727.

It is a cyclic number.

It is not a de Polignac number, because 454543231 - 2²¹ = 452446079 is a prime.

It is a super-2 number, since 2×454543231² = 413219097695838722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 454543193 and 454543202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454543237) 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, 55626 + ... + 63271.

It is an arithmetic number, because the mean of its divisors is an integer number (113666488).

Almost surely, 2^454543231 is an apocalyptic number.

454543231 is a deficient number, since it is larger than the sum of its proper divisors (122721).

454543231 is a wasteful number, since it uses less digits than its factorization.

454543231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122720.

The product of its digits is 28800, while the sum is 31.

The square root of 454543231 is about 21320.0194887341. The cubic root of 454543231 is about 768.8797060893.

Adding to 454543231 its reverse (132345454), we get a palindrome (586888685).

The spelling of 454543231 in words is "four hundred fifty-four million, five hundred forty-three thousand, two hundred thirty-one".