16732145 has 8 divisors (see below), whose sum is σ = 20151720. Its totient is φ = 13336960.

The previous prime is 16732139. The next prime is 16732171. The reversal of 16732145 is 54123761.

It can be written as a sum of positive squares in 4 ways, for example, as 1739761 + 14992384 = 1319^2 + 3872^2 .

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

It is not a de Polignac number, because 16732145 - 2⁴ = 16732129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4550 + ... + 7359.

It is an arithmetic number, because the mean of its divisors is an integer number (2518965).

Almost surely, 2^16732145 is an apocalyptic number.

It is an amenable number.

16732145 is a deficient number, since it is larger than the sum of its proper divisors (3419575).

16732145 is a wasteful number, since it uses less digits than its factorization.

16732145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12195.

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

The square root of 16732145 is about 4090.4944688876. The cubic root of 16732145 is about 255.7705514499.

The spelling of 16732145 in words is "sixteen million, seven hundred thirty-two thousand, one hundred forty-five".