1145140057 has 2 divisors, whose sum is σ = 1145140058. Its totient is φ = 1145140056.

The previous prime is 1145140049. The next prime is 1145140091. The reversal of 1145140057 is 7500415411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 985269321 + 159870736 = 31389^2 + 12644^2 .

It is an emirp because it is prime and its reverse (7500415411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1145140057 - 2³ = 1145140049 is a prime.

It is a super-2 number, since 2×1145140057² = 2622691500291926498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1145140097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572570028 + 572570029.

It is an arithmetic number, because the mean of its divisors is an integer number (572570029).

Almost surely, 2^1145140057 is an apocalyptic number.

It is an amenable number.

1145140057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145140057 is an equidigital number, since it uses as much as digits as its factorization.

1145140057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 1145140057 is about 33839.9180997827. The cubic root of 1145140057 is about 1046.2116108571.

Adding to 1145140057 its reverse (7500415411), we get a palindrome (8645555468).

The spelling of 1145140057 in words is "one billion, one hundred forty-five million, one hundred forty thousand, fifty-seven".