105201045 has 16 divisors (see below), whose sum is σ = 187024320. Its totient is φ = 56107152.

The previous prime is 105201029. The next prime is 105201097. The reversal of 105201045 is 540102501.

It is not a de Polignac number, because 105201045 - 2⁴ = 105201029 is a prime.

It is a super-2 number, since 2×105201045² = 22134519738184050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389499 + ... + 389768.

It is an arithmetic number, because the mean of its divisors is an integer number (11689020).

Almost surely, 2^105201045 is an apocalyptic number.

105201045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105201045 is a deficient number, since it is larger than the sum of its proper divisors (81823275).

105201045 is an equidigital number, since it uses as much as digits as its factorization.

105201045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779281 (or 779275 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 105201045 is about 10256.7560661254. The cubic root of 105201045 is about 472.0703072635.

Adding to 105201045 its reverse (540102501), we get a palindrome (645303546).

The spelling of 105201045 in words is "one hundred five million, two hundred one thousand, forty-five".