105136645 has 8 divisors (see below), whose sum is σ = 126232056. Its totient is φ = 84063936.

The previous prime is 105136637. The next prime is 105136663. The reversal of 105136645 is 546631501.

It can be written as a sum of positive squares in 4 ways, for example, as 5116644 + 100020001 = 2262^2 + 10001^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 105136645 - 2³ = 105136637 is a prime.

It is a super-2 number, since 2×105136645² = 22107428243712050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7159 + ... + 16171.

It is an arithmetic number, because the mean of its divisors is an integer number (15779007).

Almost surely, 2^105136645 is an apocalyptic number.

It is an amenable number.

105136645 is a deficient number, since it is larger than the sum of its proper divisors (21095411).

105136645 is an equidigital number, since it uses as much as digits as its factorization.

105136645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11351.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 105136645 is about 10253.6161913737. The cubic root of 105136645 is about 471.9739598892.

The spelling of 105136645 in words is "one hundred five million, one hundred thirty-six thousand, six hundred forty-five".