144434355 has 32 divisors (see below), whose sum is σ = 257463360. Its totient is φ = 68651520.

The previous prime is 144434351. The next prime is 144434383. The reversal of 144434355 is 553434441.

It is a happy number.

It is not a de Polignac number, because 144434355 - 2² = 144434351 is a prime.

It is a super-2 number, since 2×144434355² = 41722565808532050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144434351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7116 + ... + 18425.

It is an arithmetic number, because the mean of its divisors is an integer number (8045730).

Almost surely, 2^144434355 is an apocalyptic number.

144434355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

144434355 is a deficient number, since it is larger than the sum of its proper divisors (113029005).

144434355 is a wasteful number, since it uses less digits than its factorization.

144434355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25591.

The product of its digits is 57600, while the sum is 33.

The square root of 144434355 is about 12018.0844979556. The cubic root of 144434355 is about 524.6747554644.

Adding to 144434355 its reverse (553434441), we get a palindrome (697868796).

The spelling of 144434355 in words is "one hundred forty-four million, four hundred thirty-four thousand, three hundred fifty-five".