105566045 has 16 divisors (see below), whose sum is σ = 138741120. Its totient is φ = 76632384.

The previous prime is 105566029. The next prime is 105566059. The reversal of 105566045 is 540665501.

It is a cyclic number.

It is not a de Polignac number, because 105566045 - 2⁴ = 105566029 is a prime.

It is a super-2 number, since 2×105566045² = 22288379713884050, which contains 22 as substring.

It is a Curzon number.

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, 9929 + ... + 17598.

It is an arithmetic number, because the mean of its divisors is an integer number (8671320).

Almost surely, 2^105566045 is an apocalyptic number.

It is an amenable number.

105566045 is a deficient number, since it is larger than the sum of its proper divisors (33175075).

105566045 is a wasteful number, since it uses less digits than its factorization.

105566045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27604.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 105566045 is about 10274.5338093755. The cubic root of 105566045 is about 472.6156338211.

The spelling of 105566045 in words is "one hundred five million, five hundred sixty-six thousand, forty-five".