144432413 has 4 divisors (see below), whose sum is σ = 146880480. Its totient is φ = 141984348.

The previous prime is 144432403. The next prime is 144432427. The reversal of 144432413 is 314234441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 314234441 = 23 ⋅13662367.

It is a cyclic number.

It is not a de Polignac number, because 144432413 - 2⁴ = 144432397 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 (144432403) 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, 1223945 + ... + 1224062.

It is an arithmetic number, because the mean of its divisors is an integer number (36720120).

Almost surely, 2^144432413 is an apocalyptic number.

It is an amenable number.

144432413 is a deficient number, since it is larger than the sum of its proper divisors (2448067).

144432413 is an equidigital number, since it uses as much as digits as its factorization.

144432413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2448066.

The product of its digits is 4608, while the sum is 26.

The square root of 144432413 is about 12018.0037027786. The cubic root of 144432413 is about 524.6724039395.

Adding to 144432413 its reverse (314234441), we get a palindrome (458666854).

The spelling of 144432413 in words is "one hundred forty-four million, four hundred thirty-two thousand, four hundred thirteen".