144346 has 4 divisors (see below), whose sum is σ = 216522. Its totient is φ = 72172.

The previous prime is 144341. The next prime is 144349. The reversal of 144346 is 643441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 643441 = 103 ⋅6247.

It can be written as a sum of positive squares in only one way, i.e., 140625 + 3721 = 375^2 + 61^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (144341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36085 + ... + 36088.

2¹⁴⁴³⁴⁶ is an apocalyptic number.

144346 is a deficient number, since it is larger than the sum of its proper divisors (72176).

144346 is an equidigital number, since it uses as much as digits as its factorization.

144346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72175.

The product of its digits is 1152, while the sum is 22.

The square root of 144346 is about 379.9289407244. The cubic root of 144346 is about 52.4567747004.

Adding to 144346 its reverse (643441), we get a palindrome (787787).

The spelling of 144346 in words is "one hundred forty-four thousand, three hundred forty-six".