105245321 has 8 divisors (see below), whose sum is σ = 110721600. Its totient is φ = 99892240.

The previous prime is 105245303. The next prime is 105245407. The reversal of 105245321 is 123542501.

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

It is a de Polignac number, because none of the positive numbers 2^k-105245321 is a prime.

It is a super-2 number, since 2×105245321² = 22153155184786082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105245221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29045 + ... + 32466.

It is an arithmetic number, because the mean of its divisors is an integer number (13840200).

Almost surely, 2^105245321 is an apocalyptic number.

It is an amenable number.

105245321 is a deficient number, since it is larger than the sum of its proper divisors (5476279).

105245321 is an equidigital number, since it uses as much as digits as its factorization.

105245321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61599.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 105245321 is about 10258.9142213004. The cubic root of 105245321 is about 472.1365247723.

Adding to 105245321 its reverse (123542501), we get a palindrome (228787822).

The spelling of 105245321 in words is "one hundred five million, two hundred forty-five thousand, three hundred twenty-one".