105742456 has 8 divisors (see below), whose sum is σ = 198267120. Its totient is φ = 52871224.

The previous prime is 105742447. The next prime is 105742459. The reversal of 105742456 is 654247501.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×105742456² = 22362934001823872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105742459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6608896 + ... + 6608911.

It is an arithmetic number, because the mean of its divisors is an integer number (24783390).

Almost surely, 2^105742456 is an apocalyptic number.

It is an amenable number.

105742456 is a deficient number, since it is larger than the sum of its proper divisors (92524664).

105742456 is a wasteful number, since it uses less digits than its factorization.

105742456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13217813 (or 13217809 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 105742456 is about 10283.1150922276. The cubic root of 105742456 is about 472.8787493501.

Adding to 105742456 its reverse (654247501), we get a palindrome (759989957).

The spelling of 105742456 in words is "one hundred five million, seven hundred forty-two thousand, four hundred fifty-six".