105642052 has 12 divisors (see below), whose sum is σ = 194603920. Its totient is φ = 50040936.

The previous prime is 105642007. The next prime is 105642073. The reversal of 105642052 is 250246501.

It is a super-2 number, since 2×105642052² = 22320486301541408, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 694938 + ... + 695089.

Almost surely, 2^105642052 is an apocalyptic number.

It is an amenable number.

105642052 is a deficient number, since it is larger than the sum of its proper divisors (88961868).

105642052 is a wasteful number, since it uses less digits than its factorization.

105642052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390050 (or 1390048 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 105642052 is about 10278.2319491243. The cubic root of 105642052 is about 472.7290335375.

Adding to 105642052 its reverse (250246501), we get a palindrome (355888553).

The spelling of 105642052 in words is "one hundred five million, six hundred forty-two thousand, fifty-two".