16142530 has 16 divisors (see below), whose sum is σ = 29117880. Its totient is φ = 6443392.

The previous prime is 16142521. The next prime is 16142543. The reversal of 16142530 is 3524161.

It can be written as a sum of positive squares in 4 ways, for example, as 5508409 + 10634121 = 2347^2 + 3261^2 .

It is a plaindrome in base 9.

It is a zygodrome in base 9.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4272 + ... + 7108.

Almost surely, 2^16142530 is an apocalyptic number.

16142530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16142530 is a deficient number, since it is larger than the sum of its proper divisors (12975350).

16142530 is a wasteful number, since it uses less digits than its factorization.

16142530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3413.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 16142530 is about 4017.7767484020. The cubic root of 16142530 is about 252.7302347310.

Adding to 16142530 its reverse (3524161), we get a palindrome (19666691).

The spelling of 16142530 in words is "sixteen million, one hundred forty-two thousand, five hundred thirty".