144727404 has 12 divisors (see below), whose sum is σ = 337697304. Its totient is φ = 48242464.

The previous prime is 144727399. The next prime is 144727421. The reversal of 144727404 is 404727441.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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, 6030297 + ... + 6030320.

It is an arithmetic number, because the mean of its divisors is an integer number (28141442).

Almost surely, 2^144727404 is an apocalyptic number.

It is an amenable number.

144727404 is an abundant number, since it is smaller than the sum of its proper divisors (192969900).

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

144727404 is a wasteful number, since it uses less digits than its factorization.

144727404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12060624 (or 12060622 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 33.

The square root of 144727404 is about 12030.2703211524. The cubic root of 144727404 is about 525.0293607162.

The spelling of 144727404 in words is "one hundred forty-four million, seven hundred twenty-seven thousand, four hundred four".