105144522133477 has 2 divisors, whose sum is σ = 105144522133478. Its totient is φ = 105144522133476.

The previous prime is 105144522133459. The next prime is 105144522133523. The reversal of 105144522133477 is 774331225441501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78475963299556 + 26668558833921 = 8858666^2 + 5164161^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105144522133477 is a prime.

It is a super-2 number, since 2×105144522133477² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105144522133477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105144522139477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52572261066738 + 52572261066739.

It is an arithmetic number, because the mean of its divisors is an integer number (52572261066739).

Almost surely, 2^{105144522133477} is an apocalyptic number.

It is an amenable number.

105144522133477 is a deficient number, since it is larger than the sum of its proper divisors (1).

105144522133477 is an equidigital number, since it uses as much as digits as its factorization.

105144522133477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2822400, while the sum is 49.

Adding to 105144522133477 its reverse (774331225441501), we get a palindrome (879475747574978).

The spelling of 105144522133477 in words is "one hundred five trillion, one hundred forty-four billion, five hundred twenty-two million, one hundred thirty-three thousand, four hundred seventy-seven".