1045157677 has 2 divisors, whose sum is σ = 1045157678. Its totient is φ = 1045157676.

The previous prime is 1045157639. The next prime is 1045157689. The reversal of 1045157677 is 7767515401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 765130921 + 280026756 = 27661^2 + 16734^2 .

It is an emirp because it is prime and its reverse (7767515401) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1045157677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1045257677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522578838 + 522578839.

It is an arithmetic number, because the mean of its divisors is an integer number (522578839).

Almost surely, 2^1045157677 is an apocalyptic number.

It is an amenable number.

1045157677 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045157677 is an equidigital number, since it uses as much as digits as its factorization.

1045157677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 205800, while the sum is 43.

The square root of 1045157677 is about 32328.8984810804. The cubic root of 1045157677 is about 1014.8314981512.

The spelling of 1045157677 in words is "one billion, forty-five million, one hundred fifty-seven thousand, six hundred seventy-seven".