144105426 has 16 divisors (see below), whose sum is σ = 320234400. Its totient is φ = 48035124.

The previous prime is 144105421. The next prime is 144105449. The reversal of 144105426 is 624501441.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 144105426.

It is not an unprimeable number, because it can be changed into a prime (144105421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1334256 + ... + 1334363.

It is an arithmetic number, because the mean of its divisors is an integer number (20014650).

Almost surely, 2^144105426 is an apocalyptic number.

144105426 is an abundant number, since it is smaller than the sum of its proper divisors (176128974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144105426 is a wasteful number, since it uses less digits than its factorization.

144105426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2668630 (or 2668624 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 144105426 is about 12004.3919462837. The cubic root of 144105426 is about 524.2761616577.

Adding to 144105426 its reverse (624501441), we get a palindrome (768606867).

It can be divided in two parts, 144 and 105426, that added together give a triangular number (105570 = T₄₅₉).

The spelling of 144105426 in words is "one hundred forty-four million, one hundred five thousand, four hundred twenty-six".