105156345 has 32 divisors (see below), whose sum is σ = 200650752. Its totient is φ = 45980352.

The previous prime is 105156329. The next prime is 105156367. The reversal of 105156345 is 543651501.

It is not a de Polignac number, because 105156345 - 2⁴ = 105156329 is a prime.

It is a super-2 number, since 2×105156345² = 22115713787518050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19357 + ... + 24186.

It is an arithmetic number, because the mean of its divisors is an integer number (6270336).

Almost surely, 2^105156345 is an apocalyptic number.

105156345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105156345 is a deficient number, since it is larger than the sum of its proper divisors (95494407).

105156345 is a wasteful number, since it uses less digits than its factorization.

105156345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43581.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 105156345 is about 10254.5767830759. The cubic root of 105156345 is about 472.0034367867.

It can be divided in two parts, 105156 and 345, that added together give a palindrome (105501).

The spelling of 105156345 in words is "one hundred five million, one hundred fifty-six thousand, three hundred forty-five".