1045426043 has 4 divisors (see below), whose sum is σ = 1045492560. Its totient is φ = 1045359528.

The previous prime is 1045426013. The next prime is 1045426049. The reversal of 1045426043 is 3406245401.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3406245401 = 13 ⋅262018877.

It is a cyclic number.

It is not a de Polignac number, because 1045426043 - 2¹⁰ = 1045425019 is a prime.

It is a super-2 number, since 2×1045426043² = 2185831222765275698, 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 = 1045425997 and 1045426015.

It is not an unprimeable number, because it can be changed into a prime (1045426049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4946 + ... + 45992.

It is an arithmetic number, because the mean of its divisors is an integer number (261373140).

Almost surely, 2^1045426043 is an apocalyptic number.

1045426043 is a deficient number, since it is larger than the sum of its proper divisors (66517).

1045426043 is an equidigital number, since it uses as much as digits as its factorization.

1045426043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66516.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 1045426043 is about 32333.0487736619. The cubic root of 1045426043 is about 1014.9183504253.

The spelling of 1045426043 in words is "one billion, forty-five million, four hundred twenty-six thousand, forty-three".