105547491146 has 4 divisors (see below), whose sum is σ = 158321236722. Its totient is φ = 52773745572.

The previous prime is 105547491143. The next prime is 105547491187. The reversal of 105547491146 is 641194745501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 72935104225 + 32612386921 = 270065^2 + 180589^2 .

It is a super-2 number, since 2×105547491146² (a number of 23 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 105547491146.

It is not an unprimeable number, because it can be changed into a prime (105547491143) 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, 26386872785 + ... + 26386872788.

Almost surely, 2^105547491146 is an apocalyptic number.

105547491146 is a deficient number, since it is larger than the sum of its proper divisors (52773745576).

105547491146 is an equidigital number, since it uses as much as digits as its factorization.

105547491146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52773745575.

The product of its (nonzero) digits is 604800, while the sum is 47.

The spelling of 105547491146 in words is "one hundred five billion, five hundred forty-seven million, four hundred ninety-one thousand, one hundred forty-six".