16142105 has 16 divisors (see below), whose sum is σ = 22515840. Its totient is φ = 10879872.

The previous prime is 16142099. The next prime is 16142107. The reversal of 16142105 is 50124161.

16142105 = 11² + 12² + ... + 364².

It is a cyclic number.

It is not a de Polignac number, because 16142105 - 2¹² = 16138009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16142107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1844 + ... + 5973.

It is an arithmetic number, because the mean of its divisors is an integer number (1407240).

Almost surely, 2^16142105 is an apocalyptic number.

It is an amenable number.

16142105 is a deficient number, since it is larger than the sum of its proper divisors (6373735).

16142105 is an equidigital number, since it uses as much as digits as its factorization.

16142105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7888.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 16142105 is about 4017.7238581067. The cubic root of 16142105 is about 252.7280167538.

Adding to 16142105 its reverse (50124161), we get a palindrome (66266266).

The spelling of 16142105 in words is "sixteen million, one hundred forty-two thousand, one hundred five".