105683145 has 16 divisors (see below), whose sum is σ = 171476352. Its totient is φ = 55569920.

The previous prime is 105683141. The next prime is 105683159. The reversal of 105683145 is 541386501.

It is not a de Polignac number, because 105683145 - 2² = 105683141 is a prime.

It is a super-2 number, since 2×105683145² = 22337854274182050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105683141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48552 + ... + 50681.

It is an arithmetic number, because the mean of its divisors is an integer number (10717272).

Almost surely, 2^105683145 is an apocalyptic number.

105683145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105683145 is a deficient number, since it is larger than the sum of its proper divisors (65793207).

105683145 is an equidigital number, since it uses as much as digits as its factorization.

105683145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99312.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 105683145 is about 10280.2307853472. The cubic root of 105683145 is about 472.7903201671.

The spelling of 105683145 in words is "one hundred five million, six hundred eighty-three thousand, one hundred forty-five".