16142453 has 4 divisors (see below), whose sum is σ = 16150860. Its totient is φ = 16134048.

The previous prime is 16142447. The next prime is 16142461. The reversal of 16142453 is 35424161.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3232804 + 12909649 = 1798^2 + 3593^2 .

It is a cyclic number.

It is not a de Polignac number, because 16142453 - 2⁴ = 16142437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16142443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251 + ... + 5687.

It is an arithmetic number, because the mean of its divisors is an integer number (4037715).

Almost surely, 2^16142453 is an apocalyptic number.

It is an amenable number.

16142453 is a deficient number, since it is larger than the sum of its proper divisors (8407).

16142453 is an equidigital number, since it uses as much as digits as its factorization.

16142453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8406.

The product of its digits is 2880, while the sum is 26.

The square root of 16142453 is about 4017.7671659766. The cubic root of 16142453 is about 252.7298328886.

The spelling of 16142453 in words is "sixteen million, one hundred forty-two thousand, four hundred fifty-three".