144340400434 has 8 divisors (see below), whose sum is σ = 216519696540. Its totient is φ = 72167168256.

The previous prime is 144340400431. The next prime is 144340400443. The reversal of 144340400434 is 434004043441.

It can be written as a sum of positive squares in 2 ways, for example, as 117165867025 + 27174533409 = 342295^2 + 164847^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 144340400396 and 144340400405.

It is not an unprimeable number, because it can be changed into a prime (144340400431) 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, 1455999 + ... + 1551970.

Almost surely, 2^144340400434 is an apocalyptic number.

144340400434 is a deficient number, since it is larger than the sum of its proper divisors (72179296106).

144340400434 is a wasteful number, since it uses less digits than its factorization.

144340400434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3031964.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 144340400434 its reverse (434004043441), we get a palindrome (578344443875).

The spelling of 144340400434 in words is "one hundred forty-four billion, three hundred forty million, four hundred thousand, four hundred thirty-four".