144513422 has 4 divisors (see below), whose sum is σ = 216770136. Its totient is φ = 72256710.

The previous prime is 144513403. The next prime is 144513431. The reversal of 144513422 is 224315441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 224315441 = 7 ⋅32045063.

It is a junction number, because it is equal to n+sod(n) for n = 144513391 and 144513400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36128354 + ... + 36128357.

It is an arithmetic number, because the mean of its divisors is an integer number (54192534).

Almost surely, 2^144513422 is an apocalyptic number.

144513422 is a deficient number, since it is larger than the sum of its proper divisors (72256714).

144513422 is an equidigital number, since it uses as much as digits as its factorization.

144513422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72256713.

The product of its digits is 3840, while the sum is 26.

The square root of 144513422 is about 12021.3735488088. The cubic root of 144513422 is about 524.7704780536.

Adding to 144513422 its reverse (224315441), we get a palindrome (368828863).

The spelling of 144513422 in words is "one hundred forty-four million, five hundred thirteen thousand, four hundred twenty-two".