1045558401 has 8 divisors (see below), whose sum is σ = 1420381440. Its totient is φ = 683887152.

The previous prime is 1045558399. The next prime is 1045558427. The reversal of 1045558401 is 1048555401.

1045558401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1045558401 - 2¹ = 1045558399 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1045559401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3287761 + ... + 3288078.

It is an arithmetic number, because the mean of its divisors is an integer number (177547680).

Almost surely, 2^1045558401 is an apocalyptic number.

It is an amenable number.

1045558401 is a deficient number, since it is larger than the sum of its proper divisors (374823039).

1045558401 is an equidigital number, since it uses as much as digits as its factorization.

1045558401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6575895.

The product of its (nonzero) digits is 16000, while the sum is 33.

The square root of 1045558401 is about 32335.0955000909. The cubic root of 1045558401 is about 1014.9611804578.

The spelling of 1045558401 in words is "one billion, forty-five million, five hundred fifty-eight thousand, four hundred one".