144340434 has 32 divisors (see below), whose sum is σ = 366579840. Its totient is φ = 41240016.

The previous prime is 144340429. The next prime is 144340451. The reversal of 144340434 is 434043441.

144340434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 144340398 and 144340407.

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, 190549 + ... + 191304.

It is an arithmetic number, because the mean of its divisors is an integer number (11455620).

Almost surely, 2^144340434 is an apocalyptic number.

144340434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

144340434 is an abundant number, since it is smaller than the sum of its proper divisors (222239406).

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

144340434 is a wasteful number, since it uses less digits than its factorization.

144340434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381871 (or 381865 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 144340434 is about 12014.1763762648. The cubic root of 144340434 is about 524.5610044507.

Adding to 144340434 its reverse (434043441), we get a palindrome (578383875).

The spelling of 144340434 in words is "one hundred forty-four million, three hundred forty thousand, four hundred thirty-four".