144501453 has 24 divisors (see below), whose sum is σ = 214171776. Its totient is φ = 93840000.

The previous prime is 144501439. The next prime is 144501473. The reversal of 144501453 is 354105441.

It is a happy number.

It is not a de Polignac number, because 144501453 - 2⁴ = 144501437 is a prime.

It is a super-2 number, since 2×144501453² = 41761339838222418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144501473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105493 + ... + 106853.

It is an arithmetic number, because the mean of its divisors is an integer number (8923824).

Almost surely, 2^144501453 is an apocalyptic number.

It is an amenable number.

144501453 is a deficient number, since it is larger than the sum of its proper divisors (69670323).

144501453 is a wasteful number, since it uses less digits than its factorization.

144501453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665 (or 1662 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 144501453 is about 12020.8757168519. The cubic root of 144501453 is about 524.7559900077.

Adding to 144501453 its reverse (354105441), we get a palindrome (498606894).

The spelling of 144501453 in words is "one hundred forty-four million, five hundred one thousand, four hundred fifty-three".