144400326 has 16 divisors (see below), whose sum is σ = 330057984. Its totient is φ = 41257224.

The previous prime is 144400273. The next prime is 144400337. The reversal of 144400326 is 623004441.

It is a junction number, because it is equal to n+sod(n) for n = 144400296 and 144400305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1719010 + ... + 1719093.

It is an arithmetic number, because the mean of its divisors is an integer number (20628624).

Almost surely, 2^144400326 is an apocalyptic number.

144400326 is an abundant number, since it is smaller than the sum of its proper divisors (185657658).

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

144400326 is a wasteful number, since it uses less digits than its factorization.

144400326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3438115.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 144400326 is about 12016.6686731390. The cubic root of 144400326 is about 524.6335474485.

Adding to 144400326 its reverse (623004441), we get a palindrome (767404767).

The spelling of 144400326 in words is "one hundred forty-four million, four hundred thousand, three hundred twenty-six".