144071828 has 12 divisors (see below), whose sum is σ = 252254772. Its totient is φ = 71999040.

The previous prime is 144071789. The next prime is 144071831. The reversal of 144071828 is 828170441.

It can be written as a sum of positive squares in 2 ways, for example, as 107081104 + 36990724 = 10348^2 + 6082^2 .

It is a congruent number.

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, 776 + ... + 16992.

It is an arithmetic number, because the mean of its divisors is an integer number (21021231).

Almost surely, 2^144071828 is an apocalyptic number.

It is an amenable number.

144071828 is a deficient number, since it is larger than the sum of its proper divisors (108182944).

144071828 is a wasteful number, since it uses less digits than its factorization.

144071828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18442 (or 18440 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 35.

The square root of 144071828 is about 12002.9924602159. The cubic root of 144071828 is about 524.2354137134.

The spelling of 144071828 in words is "one hundred forty-four million, seventy-one thousand, eight hundred twenty-eight".