16332145 has 8 divisors (see below), whose sum is σ = 20076840. Its totient is φ = 12746880.

The previous prime is 16332143. The next prime is 16332149. The reversal of 16332145 is 54123361.

It can be written as a sum of positive squares in 4 ways, for example, as 42849 + 16289296 = 207^2 + 4036^2 .

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

It is not a de Polignac number, because 16332145 - 2¹ = 16332143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16332143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39630 + ... + 40039.

It is an arithmetic number, because the mean of its divisors is an integer number (2509605).

Almost surely, 2^16332145 is an apocalyptic number.

It is an amenable number.

16332145 is a deficient number, since it is larger than the sum of its proper divisors (3744695).

16332145 is an equidigital number, since it uses as much as digits as its factorization.

16332145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79715.

The product of its digits is 2160, while the sum is 25.

The square root of 16332145 is about 4041.3048635311. The cubic root of 16332145 is about 253.7159336927.

The spelling of 16332145 in words is "sixteen million, three hundred thirty-two thousand, one hundred forty-five".