144214426 has 4 divisors (see below), whose sum is σ = 216321642. Its totient is φ = 72107212.

The previous prime is 144214423. The next prime is 144214429. The reversal of 144214426 is 624412441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 624412441 = 23 ⋅27148367.

It is an interprime number because it is at equal distance from previous prime (144214423) and next prime (144214429).

It can be written as a sum of positive squares in only one way, i.e., 78588225 + 65626201 = 8865^2 + 8101^2 .

It is a junction number, because it is equal to n+sod(n) for n = 144214394 and 144214403.

It is not an unprimeable number, because it can be changed into a prime (144214423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36053605 + ... + 36053608.

Almost surely, 2^144214426 is an apocalyptic number.

144214426 is a deficient number, since it is larger than the sum of its proper divisors (72107216).

144214426 is an equidigital number, since it uses as much as digits as its factorization.

144214426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72107215.

The product of its digits is 6144, while the sum is 28.

The square root of 144214426 is about 12008.9310931490. The cubic root of 144214426 is about 524.4083142097.

Adding to 144214426 its reverse (624412441), we get a palindrome (768626867).

The spelling of 144214426 in words is "one hundred forty-four million, two hundred fourteen thousand, four hundred twenty-six".