144543453 has 16 divisors (see below), whose sum is σ = 199929600. Its totient is φ = 92778560.

The previous prime is 144543449. The next prime is 144543461. The reversal of 144543453 is 354345441.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 144543453 - 2² = 144543449 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144543493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31708 + ... + 35978.

It is an arithmetic number, because the mean of its divisors is an integer number (12495600).

Almost surely, 2^144543453 is an apocalyptic number.

It is an amenable number.

144543453 is a deficient number, since it is larger than the sum of its proper divisors (55386147).

144543453 is a wasteful number, since it uses less digits than its factorization.

144543453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4692.

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

The square root of 144543453 is about 12022.6225508414. The cubic root of 144543453 is about 524.8068259824.

Adding to 144543453 its reverse (354345441), we get a palindrome (498888894).

The spelling of 144543453 in words is "one hundred forty-four million, five hundred forty-three thousand, four hundred fifty-three".