1145670077 has 2 divisors, whose sum is σ = 1145670078. Its totient is φ = 1145670076.

The previous prime is 1145670067. The next prime is 1145670157. The reversal of 1145670077 is 7700765411.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 838334116 + 307335961 = 28954^2 + 17531^2 .

It is an emirp because it is prime and its reverse (7700765411) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1145670077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1145670077.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1145670067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572835038 + 572835039.

It is an arithmetic number, because the mean of its divisors is an integer number (572835039).

Almost surely, 2^1145670077 is an apocalyptic number.

It is an amenable number.

1145670077 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145670077 is an equidigital number, since it uses as much as digits as its factorization.

1145670077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41160, while the sum is 38.

The square root of 1145670077 is about 33847.7484775576. The cubic root of 1145670077 is about 1046.3729965164.

The spelling of 1145670077 in words is "one billion, one hundred forty-five million, six hundred seventy thousand, seventy-seven".