144938404 has 48 divisors (see below), whose sum is σ = 284497920. Its totient is φ = 64149120.

The previous prime is 144938399. The next prime is 144938419. The reversal of 144938404 is 404839441.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336069 + ... + 336499.

It is an arithmetic number, because the mean of its divisors is an integer number (5927040).

Almost surely, 2^144938404 is an apocalyptic number.

It is an amenable number.

144938404 is a deficient number, since it is larger than the sum of its proper divisors (139559516).

144938404 is a wasteful number, since it uses less digits than its factorization.

144938404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700 (or 698 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 144938404 is about 12039.0366724252. The cubic root of 144938404 is about 525.2843859088.

The spelling of 144938404 in words is "one hundred forty-four million, nine hundred thirty-eight thousand, four hundred four".