105540452 has 6 divisors (see below), whose sum is σ = 184695798. Its totient is φ = 52770224.

The previous prime is 105540451. The next prime is 105540473. The reversal of 105540452 is 254045501.

It can be written as a sum of positive squares in only one way, i.e., 97337956 + 8202496 = 9866^2 + 2864^2 .

It is a super-2 number, since 2×105540452² = 22277574016728608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105540451) by changing a digit.

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 as a sum of consecutive naturals, namely, 13192553 + ... + 13192560.

It is an arithmetic number, because the mean of its divisors is an integer number (30782633).

Almost surely, 2^105540452 is an apocalyptic number.

It is an amenable number.

105540452 is a deficient number, since it is larger than the sum of its proper divisors (79155346).

105540452 is a wasteful number, since it uses less digits than its factorization.

105540452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26385117 (or 26385115 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 105540452 is about 10273.2882759124. The cubic root of 105540452 is about 472.5774377341.

Adding to 105540452 its reverse (254045501), we get a palindrome (359585953).

The spelling of 105540452 in words is "one hundred five million, five hundred forty thousand, four hundred fifty-two".