144435401 has 12 divisors (see below), whose sum is σ = 159936756. Its totient is φ = 130331520.

The previous prime is 144435337. The next prime is 144435407. The reversal of 144435401 is 104534441.

It is a happy number.

144435401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 118831801 + 25603600 = 10901^2 + 5060^2 .

It is not a de Polignac number, because 144435401 - 2⁶ = 144435337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144435407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12221 + ... + 20933.

It is an arithmetic number, because the mean of its divisors is an integer number (13328063).

Almost surely, 2^144435401 is an apocalyptic number.

144435401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

144435401 is a deficient number, since it is larger than the sum of its proper divisors (15501355).

144435401 is a wasteful number, since it uses less digits than its factorization.

144435401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8872 (or 8861 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 144435401 is about 12018.1280156271. The cubic root of 144435401 is about 524.6760220339.

Adding to 144435401 its reverse (104534441), we get a palindrome (248969842).

The spelling of 144435401 in words is "one hundred forty-four million, four hundred thirty-five thousand, four hundred one".