13144345 has 8 divisors (see below), whose sum is σ = 15926976. Its totient is φ = 10412976.

The previous prime is 13144343. The next prime is 13144393. The reversal of 13144345 is 54344131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13144345 - 2¹ = 13144343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13144343) 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, 12247 + ... + 13276.

It is an arithmetic number, because the mean of its divisors is an integer number (1990872).

Almost surely, 2^13144345 is an apocalyptic number.

It is an amenable number.

13144345 is a deficient number, since it is larger than the sum of its proper divisors (2782631).

13144345 is a wasteful number, since it uses less digits than its factorization.

13144345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25631.

The product of its digits is 2880, while the sum is 25.

The square root of 13144345 is about 3625.5130671396. The cubic root of 13144345 is about 236.0005326522. Note that the first 3 decimals are identical.

Adding to 13144345 its reverse (54344131), we get a palindrome (67488476).

The spelling of 13144345 in words is "thirteen million, one hundred forty-four thousand, three hundred forty-five".