105145213 has 8 divisors (see below), whose sum is σ = 113500800. Its totient is φ = 97105008.

The previous prime is 105145199. The next prime is 105145217. The reversal of 105145213 is 312541501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105145213 - 2²⁵ = 71590781 is a prime.

It is a super-2 number, since 2×105145213² = 22111031633630738, 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 (105145217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78153 + ... + 79486.

It is an arithmetic number, because the mean of its divisors is an integer number (14187600).

Almost surely, 2^105145213 is an apocalyptic number.

It is an amenable number.

105145213 is a deficient number, since it is larger than the sum of its proper divisors (8355587).

105145213 is a wasteful number, since it uses less digits than its factorization.

105145213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157691.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 105145213 is about 10254.0339866806. The cubic root of 105145213 is about 471.9867805476.

Adding to 105145213 its reverse (312541501), we get a palindrome (417686714).

It can be divided in two parts, 1051 and 45213, that added together give a palindrome (46264).

The spelling of 105145213 in words is "one hundred five million, one hundred forty-five thousand, two hundred thirteen".