16455442 has 8 divisors (see below), whose sum is σ = 25756416. Its totient is φ = 7869972.

The previous prime is 16455437. The next prime is 16455443. The reversal of 16455442 is 24455461.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (16455443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178818 + ... + 178909.

It is an arithmetic number, because the mean of its divisors is an integer number (3219552).

Almost surely, 2^16455442 is an apocalyptic number.

16455442 is a deficient number, since it is larger than the sum of its proper divisors (9300974).

16455442 is a wasteful number, since it uses less digits than its factorization.

16455442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357752.

The product of its digits is 19200, while the sum is 31.

The square root of 16455442 is about 4056.5307838102. The cubic root of 16455442 is about 254.3527967911.

The spelling of 16455442 in words is "sixteen million, four hundred fifty-five thousand, four hundred forty-two".