1045044401 has 2 divisors, whose sum is σ = 1045044402. Its totient is φ = 1045044400.

The previous prime is 1045044347. The next prime is 1045044409. The reversal of 1045044401 is 1044405401.

It is a happy number.

1045044401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 765352225 + 279692176 = 27665^2 + 16724^2 .

It is a cyclic number.

It is not a de Polignac number, because 1045044401 - 2⁶ = 1045044337 is a prime.

It is a super-2 number, since 2×1045044401² = 2184235600122897602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1045044409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522522200 + 522522201.

It is an arithmetic number, because the mean of its divisors is an integer number (522522201).

Almost surely, 2^1045044401 is an apocalyptic number.

It is an amenable number.

1045044401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045044401 is an equidigital number, since it uses as much as digits as its factorization.

1045044401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 1045044401 is about 32327.1465025913. The cubic root of 1045044401 is about 1014.7948337612.

Adding to 1045044401 its reverse (1044405401), we get a palindrome (2089449802).

The spelling of 1045044401 in words is "one billion, forty-five million, forty-four thousand, four hundred one".