144649360 has 20 divisors (see below), whose sum is σ = 336309948. Its totient is φ = 57859712.

The previous prime is 144649343. The next prime is 144649387. The reversal of 144649360 is 63946441.

It can be written as a sum of positive squares in 2 ways, for example, as 99920016 + 44729344 = 9996^2 + 6688^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 903979 + ... + 904138.

Almost surely, 2^144649360 is an apocalyptic number.

144649360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144649360 is an abundant number, since it is smaller than the sum of its proper divisors (191660588).

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

144649360 is a wasteful number, since it uses less digits than its factorization.

144649360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808130 (or 1808124 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 144649360 is about 12027.0262326146. The cubic root of 144649360 is about 524.9349700254.

The spelling of 144649360 in words is "one hundred forty-four million, six hundred forty-nine thousand, three hundred sixty".