1044045551 has 2 divisors, whose sum is σ = 1044045552. Its totient is φ = 1044045550.

The previous prime is 1044045517. The next prime is 1044045571. The reversal of 1044045551 is 1555404401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1044045551 - 2⁶ = 1044045487 is a prime.

It is a super-2 number, since 2×1044045551² = 2180062225125787202, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1044045511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522022775 + 522022776.

It is an arithmetic number, because the mean of its divisors is an integer number (522022776).

Almost surely, 2^1044045551 is an apocalyptic number.

1044045551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1044045551 is an equidigital number, since it uses as much as digits as its factorization.

1044045551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 1044045551 is about 32311.6937191476. The cubic root of 1044045551 is about 1014.4714181784.

Adding to 1044045551 its reverse (1555404401), we get a palindrome (2599449952).

The spelling of 1044045551 in words is "one billion, forty-four million, forty-five thousand, five hundred fifty-one".