105342456445 has 8 divisors (see below), whose sum is σ = 133846885944. Its totient is φ = 79316673024.

The previous prime is 105342456433. The next prime is 105342456463. The reversal of 105342456445 is 544654243501.

It can be written as a sum of positive squares in 4 ways, for example, as 6669825561 + 98672630884 = 81669^2 + 314122^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105342456445 - 2¹⁵ = 105342423677 is a prime.

It is a super-2 number, since 2×105342456445² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 619661424 + ... + 619661593.

It is an arithmetic number, because the mean of its divisors is an integer number (16730860743).

Almost surely, 2^105342456445 is an apocalyptic number.

It is an amenable number.

105342456445 is a deficient number, since it is larger than the sum of its proper divisors (28504429499).

105342456445 is a wasteful number, since it uses less digits than its factorization.

105342456445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239323039.

The product of its (nonzero) digits is 1152000, while the sum is 43.

Adding to 105342456445 its reverse (544654243501), we get a palindrome (649996699946).

The spelling of 105342456445 in words is "one hundred five billion, three hundred forty-two million, four hundred fifty-six thousand, four hundred forty-five".