144426305 has 24 divisors (see below), whose sum is σ = 185791488. Its totient is φ = 107751168.

The previous prime is 144426287. The next prime is 144426323. The reversal of 144426305 is 503624441.

It is an interprime number because it is at equal distance from previous prime (144426287) and next prime (144426323).

It is not a de Polignac number, because 144426305 - 2¹² = 144422209 is a prime.

It is a super-4 number, since 4×144426305⁴ (a number of 34 digits) contains 4444 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 183122 + ... + 183908.

It is an arithmetic number, because the mean of its divisors is an integer number (7741312).

Almost surely, 2^144426305 is an apocalyptic number.

It is an amenable number.

144426305 is a deficient number, since it is larger than the sum of its proper divisors (41365183).

144426305 is a wasteful number, since it uses less digits than its factorization.

144426305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953 (or 936 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 144426305 is about 12017.7495813484. The cubic root of 144426305 is about 524.6650077598.

The spelling of 144426305 in words is "one hundred forty-four million, four hundred twenty-six thousand, three hundred five".