105254345 has 16 divisors (see below), whose sum is σ = 145324800. Its totient is φ = 71686464.

The previous prime is 105254329. The next prime is 105254351. The reversal of 105254345 is 543452501.

It is a cyclic number.

It is not a de Polignac number, because 105254345 - 2⁴ = 105254329 is a prime.

It is a super-2 number, since 2×105254345² = 22156954282758050, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon 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, 4877 + ... + 15306.

It is an arithmetic number, because the mean of its divisors is an integer number (9082800).

Almost surely, 2^105254345 is an apocalyptic number.

It is an amenable number.

105254345 is a deficient number, since it is larger than the sum of its proper divisors (40070455).

105254345 is a wasteful number, since it uses less digits than its factorization.

105254345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20344.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 105254345 is about 10259.3540244988. The cubic root of 105254345 is about 472.1500184465.

The spelling of 105254345 in words is "one hundred five million, two hundred fifty-four thousand, three hundred forty-five".