100442349 has 32 divisors (see below), whose sum is σ = 172186880. Its totient is φ = 57395628.

The previous prime is 100442347. The next prime is 100442359. The reversal of 100442349 is 943244001.

It is not a de Polignac number, because 100442349 - 2¹ = 100442347 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a nialpdrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100442347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14348904 + ... + 14348910.

It is an arithmetic number, because the mean of its divisors is an integer number (5380840).

Almost surely, 2^100442349 is an apocalyptic number.

It is an amenable number.

100442349 is a deficient number, since it is larger than the sum of its proper divisors (71744531).

100442349 is an frugal number, since it uses more digits than its factorization.

100442349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52 (or 10 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 100442349 is about 10022.0930448684. The cubic root of 100442349 is about 464.8422774137.

The spelling of 100442349 in words is "one hundred million, four hundred forty-two thousand, three hundred forty-nine".