16042745 has 16 divisors (see below), whose sum is σ = 20701440. Its totient is φ = 11896704.

The previous prime is 16042703. The next prime is 16042757. The reversal of 16042745 is 54724061.

It is a cyclic number.

It is not a de Polignac number, because 16042745 - 2¹⁰ = 16041721 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2669 + ... + 6261.

It is an arithmetic number, because the mean of its divisors is an integer number (1293840).

Almost surely, 2^16042745 is an apocalyptic number.

It is an amenable number.

16042745 is a deficient number, since it is larger than the sum of its proper divisors (4658695).

16042745 is a wasteful number, since it uses less digits than its factorization.

16042745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3664.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 16042745 is about 4005.3395611359. The cubic root of 16042745 is about 252.2084076333.

The spelling of 16042745 in words is "sixteen million, forty-two thousand, seven hundred forty-five".