144730111 has 4 divisors (see below), whose sum is σ = 146222272. Its totient is φ = 143237952.

The previous prime is 144730093. The next prime is 144730139. The reversal of 144730111 is 111037441.

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: 111037441 = 4397 ⋅25253.

It is a cyclic number.

It is not a de Polignac number, because 144730111 - 2¹¹ = 144728063 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 (144730151) 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, 745935 + ... + 746128.

It is an arithmetic number, because the mean of its divisors is an integer number (36555568).

Almost surely, 2^144730111 is an apocalyptic number.

144730111 is a deficient number, since it is larger than the sum of its proper divisors (1492161).

144730111 is an equidigital number, since it uses as much as digits as its factorization.

144730111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492160.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 144730111 is about 12030.3828284889. The cubic root of 144730111 is about 525.0326341014.

Adding to 144730111 its reverse (111037441), we get a palindrome (255767552).

The spelling of 144730111 in words is "one hundred forty-four million, seven hundred thirty thousand, one hundred eleven".