1145888101 has 2 divisors, whose sum is σ = 1145888102. Its totient is φ = 1145888100.

The previous prime is 1145888089. The next prime is 1145888141. The reversal of 1145888101 is 1018885411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 764467201 + 381420900 = 27649^2 + 19530^2 .

It is a cyclic number.

It is not a de Polignac number, because 1145888101 - 2¹³ = 1145879909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1145888141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572944050 + 572944051.

It is an arithmetic number, because the mean of its divisors is an integer number (572944051).

Almost surely, 2^1145888101 is an apocalyptic number.

It is an amenable number.

1145888101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145888101 is an equidigital number, since it uses as much as digits as its factorization.

1145888101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10240, while the sum is 37.

The square root of 1145888101 is about 33850.9689816998. The cubic root of 1145888101 is about 1046.4393681419.

The spelling of 1145888101 in words is "one billion, one hundred forty-five million, eight hundred eighty-eight thousand, one hundred one".