105231814 has 4 divisors (see below), whose sum is σ = 157847724. Its totient is φ = 52615906.

The previous prime is 105231809. The next prime is 105231817. The reversal of 105231814 is 418132501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 418132501 = 797 ⋅524633.

It is a super-2 number, since 2×105231814² = 22147469355461192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105231817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26307952 + ... + 26307955.

It is an arithmetic number, because the mean of its divisors is an integer number (39461931).

Almost surely, 2^105231814 is an apocalyptic number.

105231814 is a deficient number, since it is larger than the sum of its proper divisors (52615910).

105231814 is an equidigital number, since it uses as much as digits as its factorization.

105231814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52615909.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 105231814 is about 10258.2558946441. The cubic root of 105231814 is about 472.1163261835.

The spelling of 105231814 in words is "one hundred five million, two hundred thirty-one thousand, eight hundred fourteen".