16745445 has 12 divisors (see below), whose sum is σ = 29025516. Its totient is φ = 8930880.

The previous prime is 16745437. The next prime is 16745453. The reversal of 16745445 is 54454761.

16745445 is a `hidden beast` number, since 167 + 454 + 45 = 666.

It is an interprime number because it is at equal distance from previous prime (16745437) and next prime (16745453).

It can be written as a sum of positive squares in 2 ways, for example, as 8485569 + 8259876 = 2913^2 + 2874^2 .

It is not a de Polignac number, because 16745445 - 2³ = 16745437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 186016 + ... + 186105.

It is an arithmetic number, because the mean of its divisors is an integer number (2418793).

Almost surely, 2^16745445 is an apocalyptic number.

16745445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16745445 is a deficient number, since it is larger than the sum of its proper divisors (12280071).

16745445 is a wasteful number, since it uses less digits than its factorization.

16745445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372132 (or 372129 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 16745445 is about 4092.1198662796. The cubic root of 16745445 is about 255.8383022256.

The spelling of 16745445 in words is "sixteen million, seven hundred forty-five thousand, four hundred forty-five".