144026426 has 4 divisors (see below), whose sum is σ = 216039642. Its totient is φ = 72013212.

The previous prime is 144026423. The next prime is 144026453. The reversal of 144026426 is 624620441.

It is a happy number.

144026426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 97990201 + 46036225 = 9899^2 + 6785^2 .

It is a super-2 number, since 2×144026426² = 41487222772666952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144026423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36006605 + ... + 36006608.

Almost surely, 2^144026426 is an apocalyptic number.

144026426 is a deficient number, since it is larger than the sum of its proper divisors (72013216).

144026426 is an equidigital number, since it uses as much as digits as its factorization.

144026426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72013215.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 144026426 is about 12001.1010328219. The cubic root of 144026426 is about 524.1803397103.

Adding to 144026426 its reverse (624620441), we get a palindrome (768646867).

The spelling of 144026426 in words is "one hundred forty-four million, twenty-six thousand, four hundred twenty-six".