144345744 has 60 divisors (see below), whose sum is σ = 405097212. Its totient is φ = 47980800.

The previous prime is 144345743. The next prime is 144345763. The reversal of 144345744 is 447543441.

It can be written as a sum of positive squares in 2 ways, for example, as 345744 + 144000000 = 588^2 + 12000^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 144345699 and 144345708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144345743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59434 + ... + 61814.

Almost surely, 2^144345744 is an apocalyptic number.

It is an amenable number.

144345744 is an abundant number, since it is smaller than the sum of its proper divisors (260751468).

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

144345744 is a wasteful number, since it uses less digits than its factorization.

144345744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2816 (or 2807 counting only the distinct ones).

The product of its digits is 107520, while the sum is 36.

The square root of 144345744 is about 12014.3973631639. The cubic root of 144345744 is about 524.5674368936.

It can be divided in two parts, 144 and 345744, that multiplied together give a 4-th power (49787136 = 84⁴).

The spelling of 144345744 in words is "one hundred forty-four million, three hundred forty-five thousand, seven hundred forty-four".