1045454231 has 4 divisors (see below), whose sum is σ = 1049228712. Its totient is φ = 1041679752.

The previous prime is 1045454209. The next prime is 1045454237. The reversal of 1045454231 is 1324545401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1324545401 = 31 ⋅42727271.

It is a cyclic number.

It is not a de Polignac number, because 1045454231 - 2¹⁴ = 1045437847 is a prime.

It is a super-2 number, since 2×1045454231² = 2185949098231602722, 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 = 1045454194 and 1045454203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045454237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1886825 + ... + 1887378.

It is an arithmetic number, because the mean of its divisors is an integer number (262307178).

Almost surely, 2^1045454231 is an apocalyptic number.

1045454231 is a deficient number, since it is larger than the sum of its proper divisors (3774481).

1045454231 is an equidigital number, since it uses as much as digits as its factorization.

1045454231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3774480.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 1045454231 is about 32333.4846714671. The cubic root of 1045454231 is about 1014.9274721486.

Adding to 1045454231 its reverse (1324545401), we get a palindrome (2369999632).

The spelling of 1045454231 in words is "one billion, forty-five million, four hundred fifty-four thousand, two hundred thirty-one".