144068426 has 8 divisors (see below), whose sum is σ = 216299460. Its totient is φ = 71968608.

The previous prime is 144068401. The next prime is 144068459. The reversal of 144068426 is 624860441.

It can be written as a sum of positive squares in 2 ways, for example, as 136773025 + 7295401 = 11695^2 + 2701^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×144068426² = 41511422740234952, which contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 30011 + ... + 34478.

Almost surely, 2^144068426 is an apocalyptic number.

144068426 is a deficient number, since it is larger than the sum of its proper divisors (72231034).

144068426 is a wasteful number, since it uses less digits than its factorization.

144068426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65608.

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 144068426 is about 12002.8507447189. The cubic root of 144068426 is about 524.2312873853.

The spelling of 144068426 in words is "one hundred forty-four million, sixty-eight thousand, four hundred twenty-six".