144049820 has 48 divisors (see below), whose sum is σ = 309391488. Its totient is φ = 56324160.

The previous prime is 144049819. The next prime is 144049847. The reversal of 144049820 is 28940441.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177215 + ... + 178025.

It is an arithmetic number, because the mean of its divisors is an integer number (6445656).

Almost surely, 2^144049820 is an apocalyptic number.

144049820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144049820 is an abundant number, since it is smaller than the sum of its proper divisors (165341668).

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

144049820 is a wasteful number, since it uses less digits than its factorization.

144049820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010 (or 1008 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 144049820 is about 12002.0756538192. The cubic root of 144049820 is about 524.2087187871.

The spelling of 144049820 in words is "one hundred forty-four million, forty-nine thousand, eight hundred twenty".