144434553 has 8 divisors (see below), whose sum is σ = 192773568. Its totient is φ = 96192624.

The previous prime is 144434551. The next prime is 144434617. The reversal of 144434553 is 355434441.

It is a happy number.

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

It is not a de Polignac number, because 144434553 - 2¹ = 144434551 is a prime.

It is a super-2 number, since 2×144434553² = 41722680200619618, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (144434551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20725 + ... + 26802.

It is an arithmetic number, because the mean of its divisors is an integer number (24096696).

Almost surely, 2^144434553 is an apocalyptic number.

It is an amenable number.

144434553 is a deficient number, since it is larger than the sum of its proper divisors (48339015).

144434553 is a wasteful number, since it uses less digits than its factorization.

144434553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48543.

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

The square root of 144434553 is about 12018.0927355384. The cubic root of 144434553 is about 524.6749952170.

Adding to 144434553 its reverse (355434441), we get a palindrome (499868994).

The spelling of 144434553 in words is "one hundred forty-four million, four hundred thirty-four thousand, five hundred fifty-three".