109442542 has 16 divisors (see below), whose sum is σ = 179348400. Its totient is φ = 49674240.

The previous prime is 109442539. The next prime is 109442621. The reversal of 109442542 is 245244901.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13684 + ... + 20152.

It is an arithmetic number, because the mean of its divisors is an integer number (11209275).

Almost surely, 2^109442542 is an apocalyptic number.

109442542 is a deficient number, since it is larger than the sum of its proper divisors (69905858).

109442542 is a wasteful number, since it uses less digits than its factorization.

109442542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7251.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 109442542 is about 10461.4789585412. The cubic root of 109442542 is about 478.3312159686.

The spelling of 109442542 in words is "one hundred nine million, four hundred forty-two thousand, five hundred forty-two".