1042423045 has 8 divisors (see below), whose sum is σ = 1252863000. Its totient is φ = 832634880.

The previous prime is 1042423037. The next prime is 1042423061. The reversal of 1042423045 is 5403242401.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 381264676 + 661158369 = 19526^2 + 25713^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1042423045 - 2³ = 1042423037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159420 + ... + 165829.

It is an arithmetic number, because the mean of its divisors is an integer number (156607875).

Almost surely, 2^1042423045 is an apocalyptic number.

It is an amenable number.

1042423045 is a deficient number, since it is larger than the sum of its proper divisors (210439955).

1042423045 is an equidigital number, since it uses as much as digits as its factorization.

1042423045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325895.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 1042423045 is about 32286.5768547860. The cubic root of 1042423045 is about 1013.9456303428.

Adding to 1042423045 its reverse (5403242401), we get a palindrome (6445665446).

The spelling of 1042423045 in words is "one billion, forty-two million, four hundred twenty-three thousand, forty-five".