16145293 has 4 divisors (see below), whose sum is σ = 16155388. Its totient is φ = 16135200.

The previous prime is 16145251. The next prime is 16145303. The reversal of 16145293 is 39254161.

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, and also an emirpimes, since its reverse is a distinct semiprime: 39254161 = 67 ⋅585883.

It can be written as a sum of positive squares in 2 ways, for example, as 14884164 + 1261129 = 3858^2 + 1123^2 .

It is a cyclic number.

It is not a de Polignac number, because 16145293 - 2¹³ = 16137101 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 (16145093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2058 + ... + 6043.

It is an arithmetic number, because the mean of its divisors is an integer number (4038847).

Almost surely, 2^16145293 is an apocalyptic number.

It is an amenable number.

16145293 is a deficient number, since it is larger than the sum of its proper divisors (10095).

16145293 is an equidigital number, since it uses as much as digits as its factorization.

16145293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10094.

The product of its digits is 6480, while the sum is 31.

The square root of 16145293 is about 4018.1205805700. The cubic root of 16145293 is about 252.7446532433.

It can be divided in two parts, 161 and 45293, that added together give a palindrome (45454).

The spelling of 16145293 in words is "sixteen million, one hundred forty-five thousand, two hundred ninety-three".