16445234 has 16 divisors (see below), whose sum is σ = 27003480. Its totient is φ = 7464960.

The previous prime is 16445227. The next prime is 16445237. The reversal of 16445234 is 43254461.

It can be written as a sum of positive squares in 4 ways, for example, as 2569609 + 13875625 = 1603^2 + 3725^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16445197 and 16445206.

It is not an unprimeable number, because it can be changed into a prime (16445237) 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, 3599 + ... + 6770.

Almost surely, 2^16445234 is an apocalyptic number.

16445234 is a deficient number, since it is larger than the sum of its proper divisors (10558246).

16445234 is a wasteful number, since it uses less digits than its factorization.

16445234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10445.

The product of its digits is 11520, while the sum is 29.

The square root of 16445234 is about 4055.2723706306. The cubic root of 16445234 is about 254.3001906800.

Adding to 16445234 its reverse (43254461), we get a palindrome (59699695).

The spelling of 16445234 in words is "sixteen million, four hundred forty-five thousand, two hundred thirty-four".