144012434 has 8 divisors (see below), whose sum is σ = 223467660. Its totient is φ = 69523216.

The previous prime is 144012403. The next prime is 144012439. The reversal of 144012434 is 434210441.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 142683025 + 1329409 = 11945^2 + 1153^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×144012434² = 41479162293208712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144012439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1241429 + ... + 1241544.

Almost surely, 2^144012434 is an apocalyptic number.

144012434 is a deficient number, since it is larger than the sum of its proper divisors (79455226).

144012434 is a wasteful number, since it uses less digits than its factorization.

144012434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2483004.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 144012434 is about 12000.5180721501. The cubic root of 144012434 is about 524.1633646569.

Adding to 144012434 its reverse (434210441), we get a palindrome (578222875).

The spelling of 144012434 in words is "one hundred forty-four million, twelve thousand, four hundred thirty-four".