1044231157 has 2 divisors, whose sum is σ = 1044231158. Its totient is φ = 1044231156.

The previous prime is 1044231143. The next prime is 1044231169. The reversal of 1044231157 is 7511324401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1026177156 + 18054001 = 32034^2 + 4249^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1044231157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1044231107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522115578 + 522115579.

It is an arithmetic number, because the mean of its divisors is an integer number (522115579).

Almost surely, 2^1044231157 is an apocalyptic number.

It is an amenable number.

1044231157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1044231157 is an equidigital number, since it uses as much as digits as its factorization.

1044231157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 1044231157 is about 32314.5657095991. The cubic root of 1044231157 is about 1014.5315307616.

Adding to 1044231157 its reverse (7511324401), we get a palindrome (8555555558).

The spelling of 1044231157 in words is "one billion, forty-four million, two hundred thirty-one thousand, one hundred fifty-seven".