105458031445 has 8 divisors (see below), whose sum is σ = 136284225336. Its totient is φ = 77876700096.

The previous prime is 105458031443. The next prime is 105458031451. The reversal of 105458031445 is 544130854501.

It can be written as a sum of positive squares in 4 ways, for example, as 1455651409 + 104002380036 = 38153^2 + 322494^2 .

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

It is not a de Polignac number, because 105458031445 - 2¹ = 105458031443 is a prime.

It is a super-5 number, since 5×105458031445⁵ (a number of 56 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105458031398 and 105458031407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105458031443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 811215562 + ... + 811215691.

It is an arithmetic number, because the mean of its divisors is an integer number (17035528167).

Almost surely, 2^105458031445 is an apocalyptic number.

It is an amenable number.

105458031445 is a deficient number, since it is larger than the sum of its proper divisors (30826193891).

105458031445 is a wasteful number, since it uses less digits than its factorization.

105458031445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622431271.

The product of its (nonzero) digits is 192000, while the sum is 40.

Adding to 105458031445 its reverse (544130854501), we get a palindrome (649588885946).

The spelling of 105458031445 in words is "one hundred five billion, four hundred fifty-eight million, thirty-one thousand, four hundred forty-five".