1045917439 has 8 divisors (see below), whose sum is σ = 1195637760. Its totient is φ = 896273016.

The previous prime is 1045917427. The next prime is 1045917487. The reversal of 1045917439 is 9347195401.

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

It is a cyclic number.

It is not a de Polignac number, because 1045917439 - 2¹¹ = 1045915391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1045917395 and 1045917404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045917139) 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 7 ways as a sum of consecutive naturals, for example, 14502 + ... + 47980.

It is an arithmetic number, because the mean of its divisors is an integer number (149454720).

Almost surely, 2^1045917439 is an apocalyptic number.

1045917439 is a deficient number, since it is larger than the sum of its proper divisors (149720321).

1045917439 is an equidigital number, since it uses as much as digits as its factorization.

1045917439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37949.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 1045917439 is about 32340.6468550028. The cubic root of 1045917439 is about 1015.0773441996.

The spelling of 1045917439 in words is "one billion, forty-five million, nine hundred seventeen thousand, four hundred thirty-nine".