105144214 has 32 divisors (see below), whose sum is σ = 190552320. Its totient is φ = 42506208.

The previous prime is 105144211. The next prime is 105144223. The reversal of 105144214 is 412441501.

It is a super-2 number, since 2×105144214² = 22110611475355592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105144211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72969 + ... + 74395.

It is an arithmetic number, because the mean of its divisors is an integer number (5954760).

Almost surely, 2^105144214 is an apocalyptic number.

105144214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

105144214 is a deficient number, since it is larger than the sum of its proper divisors (85408106).

105144214 is a wasteful number, since it uses less digits than its factorization.

105144214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1732.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 105144214 is about 10253.9852740288. The cubic root of 105144214 is about 471.9852857378.

Adding to 105144214 its reverse (412441501), we get a palindrome (517585715).

The spelling of 105144214 in words is "one hundred five million, one hundred forty-four thousand, two hundred fourteen".