16145732 has 6 divisors (see below), whose sum is σ = 28255038. Its totient is φ = 8072864.

The previous prime is 16145719. The next prime is 16145737. The reversal of 16145732 is 23754161.

It can be written as a sum of positive squares in only one way, i.e., 14622976 + 1522756 = 3824^2 + 1234^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16145695 and 16145704.

It is not an unprimeable number, because it can be changed into a prime (16145737) by changing a digit.

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 as a sum of consecutive naturals, namely, 2018213 + ... + 2018220.

It is an arithmetic number, because the mean of its divisors is an integer number (4709173).

Almost surely, 2^16145732 is an apocalyptic number.

It is an amenable number.

16145732 is a deficient number, since it is larger than the sum of its proper divisors (12109306).

16145732 is a wasteful number, since it uses less digits than its factorization.

16145732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4036437 (or 4036435 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 16145732 is about 4018.1752077280. The cubic root of 16145732 is about 252.7469439811.

Adding to 16145732 its reverse (23754161), we get a palindrome (39899893).

The spelling of 16145732 in words is "sixteen million, one hundred forty-five thousand, seven hundred thirty-two".