144429135 has 36 divisors (see below), whose sum is σ = 241587528. Its totient is φ = 73677632.

The previous prime is 144429097. The next prime is 144429137. The reversal of 144429135 is 531924441.

144429135 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144429135 - 2⁷ = 144429007 is a prime.

Its product of digits (17280) is a multiple of the sum of its prime divisors (144).

It is a junction number, because it is equal to n+sod(n) for n = 144429096 and 144429105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144429137) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1349752 + ... + 1349858.

Almost surely, 2^144429135 is an apocalyptic number.

144429135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

144429135 is a deficient number, since it is larger than the sum of its proper divisors (97158393).

144429135 is an equidigital number, since it uses as much as digits as its factorization.

144429135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 144 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 144429135 is about 12017.8673232816. The cubic root of 144429135 is about 524.6684346339.

The spelling of 144429135 in words is "one hundred forty-four million, four hundred twenty-nine thousand, one hundred thirty-five".