109452642 has 16 divisors (see below), whose sum is σ = 235744320. Its totient is φ = 33677712.

The previous prime is 109452619. The next prime is 109452643. The reversal of 109452642 is 246254901.

It is not an unprimeable number, because it can be changed into a prime (109452643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 701542 + ... + 701697.

It is an arithmetic number, because the mean of its divisors is an integer number (14734020).

Almost surely, 2^109452642 is an apocalyptic number.

109452642 is an abundant number, since it is smaller than the sum of its proper divisors (126291678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109452642 is a wasteful number, since it uses less digits than its factorization.

109452642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403257.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 109452642 is about 10461.9616707384. The cubic root of 109452642 is about 478.3459299198.

The spelling of 109452642 in words is "one hundred nine million, four hundred fifty-two thousand, six hundred forty-two".