144071904 has 48 divisors (see below), whose sum is σ = 379596672. Its totient is φ = 47845248.

The previous prime is 144071903. The next prime is 144071933. The reversal of 144071904 is 409170441.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144071903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24517 + ... + 29819.

It is an arithmetic number, because the mean of its divisors is an integer number (7908264).

Almost surely, 2^144071904 is an apocalyptic number.

It is an amenable number.

144071904 is an abundant number, since it is smaller than the sum of its proper divisors (235524768).

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

144071904 is a wasteful number, since it uses less digits than its factorization.

144071904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5599 (or 5591 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 144071904 is about 12002.9956260927. The cubic root of 144071904 is about 524.2355058940.

The spelling of 144071904 in words is "one hundred forty-four million, seventy-one thousand, nine hundred four".