105145079 has 4 divisors (see below), whose sum is σ = 113233176. Its totient is φ = 97056984.

The previous prime is 105145013. The next prime is 105145081. The reversal of 105145079 is 970541501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105145079 is a prime.

It is a super-2 number, since 2×105145079² = 22110975275832482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105145099) 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, 4044029 + ... + 4044054.

It is an arithmetic number, because the mean of its divisors is an integer number (28308294).

Almost surely, 2^105145079 is an apocalyptic number.

105145079 is a deficient number, since it is larger than the sum of its proper divisors (8088097).

105145079 is an equidigital number, since it uses as much as digits as its factorization.

105145079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8088096.

The product of its (nonzero) digits is 6300, while the sum is 32.

The square root of 105145079 is about 10254.0274526646. The cubic root of 105145079 is about 471.9865800431.

The spelling of 105145079 in words is "one hundred five million, one hundred forty-five thousand, seventy-nine".