105141145 has 4 divisors (see below), whose sum is σ = 126169380. Its totient is φ = 84112912.

The previous prime is 105141143. The next prime is 105141151. The reversal of 105141145 is 541141501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17081689 + 88059456 = 4133^2 + 9384^2 .

It is a cyclic number.

It is not a de Polignac number, because 105141145 - 2¹ = 105141143 is a prime.

It is a super-2 number, since 2×105141145² = 22109320743822050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105141143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10514110 + ... + 10514119.

It is an arithmetic number, because the mean of its divisors is an integer number (31542345).

Almost surely, 2^105141145 is an apocalyptic number.

It is an amenable number.

105141145 is a deficient number, since it is larger than the sum of its proper divisors (21028235).

105141145 is an equidigital number, since it uses as much as digits as its factorization.

105141145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21028234.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 105141145 is about 10253.8356238044. The cubic root of 105141145 is about 471.9806935151.

Adding to 105141145 its reverse (541141501), we get a palindrome (646282646).

The spelling of 105141145 in words is "one hundred five million, one hundred forty-one thousand, one hundred forty-five".