105243052 has 18 divisors (see below), whose sum is σ = 194381628. Its totient is φ = 49851288.

The previous prime is 105243041. The next prime is 105243091. The reversal of 105243052 is 250342501.

It is a super-2 number, since 2×105243052² = 22152199988549408, 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 5 ways as a sum of consecutive naturals, for example, 34998 + ... + 37885.

Almost surely, 2^105243052 is an apocalyptic number.

It is an amenable number.

105243052 is a deficient number, since it is larger than the sum of its proper divisors (89138576).

105243052 is a wasteful number, since it uses less digits than its factorization.

105243052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72925 (or 72904 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 105243052 is about 10258.8036339526. The cubic root of 105243052 is about 472.1331317934.

Adding to 105243052 its reverse (250342501), we get a palindrome (355585553).

The spelling of 105243052 in words is "one hundred five million, two hundred forty-three thousand, fifty-two".