16145810 has 16 divisors (see below), whose sum is σ = 29134296. Its totient is φ = 6442368.

The previous prime is 16145809. The next prime is 16145813. The reversal of 16145810 is 1854161.

It can be written as a sum of positive squares in 4 ways, for example, as 16024009 + 121801 = 4003^2 + 349^2 .

It is a super-2 number, since 2×16145810² = 521374361112200, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a plaindrome in base 9.

It is a zygodrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 16145810.

It is not an unprimeable number, because it can be changed into a prime (16145813) 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, 2804 + ... + 6336.

Almost surely, 2^16145810 is an apocalyptic number.

16145810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16145810 is a deficient number, since it is larger than the sum of its proper divisors (12988486).

16145810 is a wasteful number, since it uses less digits than its factorization.

16145810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3997.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 16145810 is about 4018.1849136146. The cubic root of 16145810 is about 252.7473509871.

Adding to 16145810 its reverse (1854161), we get a palindrome (17999971).

The spelling of 16145810 in words is "sixteen million, one hundred forty-five thousand, eight hundred ten".