144404838 has 12 divisors (see below), whose sum is σ = 312877188. Its totient is φ = 48134940.

The previous prime is 144404831. The next prime is 144404857. The reversal of 144404838 is 838404441.

144404838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144404831) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4011228 + ... + 4011263.

It is an arithmetic number, because the mean of its divisors is an integer number (26073099).

Almost surely, 2^144404838 is an apocalyptic number.

144404838 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

144404838 is an abundant number, since it is smaller than the sum of its proper divisors (168472350).

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

144404838 is a wasteful number, since it uses less digits than its factorization.

144404838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8022499 (or 8022496 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 144404838 is about 12016.8564108922. The cubic root of 144404838 is about 524.6390117065.

The spelling of 144404838 in words is "one hundred forty-four million, four hundred four thousand, eight hundred thirty-eight".