105831045 has 48 divisors (see below), whose sum is σ = 197870400. Its totient is φ = 52151040.

The previous prime is 105831029. The next prime is 105831079. The reversal of 105831045 is 540138501.

It is not a de Polignac number, because 105831045 - 2⁴ = 105831029 is a prime.

It is a super-2 number, since 2×105831045² = 22400420171584050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33546 + ... + 36564.

It is an arithmetic number, because the mean of its divisors is an integer number (4122300).

Almost surely, 2^105831045 is an apocalyptic number.

105831045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105831045 is a deficient number, since it is larger than the sum of its proper divisors (92039355).

105831045 is a wasteful number, since it uses less digits than its factorization.

105831045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3090 (or 3087 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 105831045 is about 10287.4216886448. The cubic root of 105831045 is about 473.0107687358.

Adding to 105831045 its reverse (540138501), we get a palindrome (645969546).

It can be divided in two parts, 10583 and 1045, that added together give a triangular number (11628 = T₁₅₂).

The spelling of 105831045 in words is "one hundred five million, eight hundred thirty-one thousand, forty-five".