16454445 has 48 divisors (see below), whose sum is σ = 31212288. Its totient is φ = 7378560.

The previous prime is 16454441. The next prime is 16454447. The reversal of 16454445 is 54445461.

It is not a de Polignac number, because 16454445 - 2² = 16454441 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16454441) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44652 + ... + 45018.

It is an arithmetic number, because the mean of its divisors is an integer number (650256).

Almost surely, 2^16454445 is an apocalyptic number.

16454445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16454445 is a deficient number, since it is larger than the sum of its proper divisors (14757843).

16454445 is a wasteful number, since it uses less digits than its factorization.

16454445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450 (or 443 counting only the distinct ones).

The product of its digits is 38400, while the sum is 33.

The square root of 16454445 is about 4056.4078936912. The cubic root of 16454445 is about 254.3476597902.

The spelling of 16454445 in words is "sixteen million, four hundred fifty-four thousand, four hundred forty-five".