105445145287 has 2 divisors, whose sum is σ = 105445145288. Its totient is φ = 105445145286.

The previous prime is 105445145231. The next prime is 105445145303. The reversal of 105445145287 is 782541544501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105445145287 - 2³¹ = 103297661639 is a prime.

It is a super-2 number, since 2×105445145287² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105445145887) 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, 52722572643 + 52722572644.

It is an arithmetic number, because the mean of its divisors is an integer number (52722572644).

Almost surely, 2^105445145287 is an apocalyptic number.

105445145287 is a deficient number, since it is larger than the sum of its proper divisors (1).

105445145287 is an equidigital number, since it uses as much as digits as its factorization.

105445145287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896000, while the sum is 46.

Adding to 105445145287 its reverse (782541544501), we get a palindrome (887986689788).

The spelling of 105445145287 in words is "one hundred five billion, four hundred forty-five million, one hundred forty-five thousand, two hundred eighty-seven".