16075945 has 16 divisors (see below), whose sum is σ = 20013840. Its totient is φ = 12386304.

The previous prime is 16075933. The next prime is 16075963. The reversal of 16075945 is 54957061.

It can be written as a sum of positive squares in 8 ways, for example, as 795664 + 15280281 = 892^2 + 3909^2 .

It is a cyclic number.

It is not a de Polignac number, because 16075945 - 2²¹ = 13978793 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 20521 + ... + 21289.

It is an arithmetic number, because the mean of its divisors is an integer number (1250865).

Almost surely, 2^16075945 is an apocalyptic number.

It is an amenable number.

16075945 is a deficient number, since it is larger than the sum of its proper divisors (3937895).

16075945 is a wasteful number, since it uses less digits than its factorization.

16075945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 16075945 is about 4009.4818867280. The cubic root of 16075945 is about 252.3822671079.

It can be divided in two parts, 16075 and 945, that added together give a triangular number (17020 = T₁₈₄).

The spelling of 16075945 in words is "sixteen million, seventy-five thousand, nine hundred forty-five".