105057245 has 8 divisors (see below), whose sum is σ = 129476184. Its totient is φ = 81774144.

The previous prime is 105057221. The next prime is 105057247. The reversal of 105057245 is 542750501.

It can be written as a sum of positive squares in 4 ways, for example, as 35117476 + 69939769 = 5926^2 + 8363^2 .

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

It is not a de Polignac number, because 105057245 - 2⁶ = 105057181 is a prime.

It is a super-2 number, since 2×105057245² = 22074049453980050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105057247) 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, 283754 + ... + 284123.

It is an arithmetic number, because the mean of its divisors is an integer number (16184523).

Almost surely, 2^105057245 is an apocalyptic number.

It is an amenable number.

105057245 is a deficient number, since it is larger than the sum of its proper divisors (24418939).

105057245 is an equidigital number, since it uses as much as digits as its factorization.

105057245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567919.

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 105057245 is about 10249.7436553311. The cubic root of 105057245 is about 471.8551171834.

The spelling of 105057245 in words is "one hundred five million, fifty-seven thousand, two hundred forty-five".