16442245 has 32 divisors (see below), whose sum is σ = 21712896. Its totient is φ = 11923200.

The previous prime is 16442197. The next prime is 16442287. The reversal of 16442245 is 54224461.

16442245 is a nontrivial binomial coefficient, being equal to C(5735, 2).

It is not a de Polignac number, because 16442245 - 2¹¹ = 16440197 is a prime.

It is a super-3 number, since 3×16442245³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 269515 + ... + 269575.

It is an arithmetic number, because the mean of its divisors is an integer number (678528).

Almost surely, 2^16442245 is an apocalyptic number.

16442245 is the 5734-th triangular number.

16442245 is the 1912-nd centered nonagonal number.

It is an amenable number.

16442245 is a deficient number, since it is larger than the sum of its proper divisors (5270651).

16442245 is a wasteful number, since it uses less digits than its factorization.

16442245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181.

The product of its digits is 7680, while the sum is 28.

The square root of 16442245 is about 4054.9038213008. The cubic root of 16442245 is about 254.2847829876.

The spelling of 16442245 in words is "sixteen million, four hundred forty-two thousand, two hundred forty-five".