105144292 has 12 divisors (see below), whose sum is σ = 200730096. Its totient is φ = 47792840.

The previous prime is 105144287. The next prime is 105144307. The reversal of 105144292 is 292441501.

It is a super-2 number, since 2×105144292² = 22110644280362528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105144292.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1194778 + ... + 1194865.

It is an arithmetic number, because the mean of its divisors is an integer number (16727508).

Almost surely, 2^105144292 is an apocalyptic number.

It is an amenable number.

105144292 is a deficient number, since it is larger than the sum of its proper divisors (95585804).

105144292 is a wasteful number, since it uses less digits than its factorization.

105144292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2389658 (or 2389656 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 105144292 is about 10253.9890774274. The cubic root of 105144292 is about 471.9854024500.

Adding to 105144292 its reverse (292441501), we get a palindrome (397585793).

The spelling of 105144292 in words is "one hundred five million, one hundred forty-four thousand, two hundred ninety-two".