105122402445 has 8 divisors (see below), whose sum is σ = 168195843936. Its totient is φ = 56065281296.

The previous prime is 105122402431. The next prime is 105122402449. The reversal of 105122402445 is 544204221501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105122402445 is a prime.

It is a super-2 number, since 2×105122402445² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105122402449) 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, 3504080067 + ... + 3504080096.

It is an arithmetic number, because the mean of its divisors is an integer number (21024480492).

Almost surely, 2^105122402445 is an apocalyptic number.

105122402445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105122402445 is a deficient number, since it is larger than the sum of its proper divisors (63073441491).

105122402445 is an equidigital number, since it uses as much as digits as its factorization.

105122402445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7008160171.

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 105122402445 its reverse (544204221501), we get a palindrome (649326623946).

The spelling of 105122402445 in words is "one hundred five billion, one hundred twenty-two million, four hundred two thousand, four hundred forty-five".