1045240057 has 2 divisors, whose sum is σ = 1045240058. Its totient is φ = 1045240056.

The previous prime is 1045240033. The next prime is 1045240109. The reversal of 1045240057 is 7500425401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 982132921 + 63107136 = 31339^2 + 7944^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1045240057 is a prime.

It is not a weakly prime, because it can be changed into another prime (1045246057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522620028 + 522620029.

It is an arithmetic number, because the mean of its divisors is an integer number (522620029).

Almost surely, 2^1045240057 is an apocalyptic number.

It is an amenable number.

1045240057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045240057 is an equidigital number, since it uses as much as digits as its factorization.

1045240057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 1045240057 is about 32330.1725482559. The cubic root of 1045240057 is about 1014.8581606744.

Adding to 1045240057 its reverse (7500425401), we get a palindrome (8545665458).

The spelling of 1045240057 in words is "one billion, forty-five million, two hundred forty thousand, fifty-seven".