105442550 has 24 divisors (see below), whose sum is σ = 202888800. Its totient is φ = 40722080.

The previous prime is 105442541. The next prime is 105442591. The reversal of 105442550 is 55244501.

It is a super-2 number, since 2×105442550² = 22236262701005000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34910 + ... + 37809.

It is an arithmetic number, because the mean of its divisors is an integer number (8453700).

Almost surely, 2^105442550 is an apocalyptic number.

105442550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105442550 is a deficient number, since it is larger than the sum of its proper divisors (97446250).

105442550 is a wasteful number, since it uses less digits than its factorization.

105442550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72760 (or 72755 counting only the distinct ones).

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

The square root of 105442550 is about 10268.5222890151. The cubic root of 105442550 is about 472.4312675888.

The spelling of 105442550 in words is "one hundred five million, four hundred forty-two thousand, five hundred fifty".