144244531401453 has 24 divisors (see below), whose sum is σ = 238221802435968. Its totient is φ = 82389499879392.

The previous prime is 144244531401449. The next prime is 144244531401533. The reversal of 144244531401453 is 354104135442441.

144244531401453 is a `hidden beast` number, since 1 + 4 + 4 + 2 + 4 + 4 + 53 + 140 + 1 + 453 = 666.

It is not a de Polignac number, because 144244531401453 - 2² = 144244531401449 is a prime.

It is a super-2 number, since 2×144244531401453² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 144244531401399 and 144244531401408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144244531401253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 499113225 + ... + 499402142.

It is an arithmetic number, because the mean of its divisors is an integer number (9925908434832).

Almost surely, 2^{144244531401453} is an apocalyptic number.

It is an amenable number.

144244531401453 is a deficient number, since it is larger than the sum of its proper divisors (93977271034515).

144244531401453 is a wasteful number, since it uses less digits than its factorization.

144244531401453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998517673 (or 998517670 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 45.

Adding to 144244531401453 its reverse (354104135442441), we get a palindrome (498348666843894).

The spelling of 144244531401453 in words is "one hundred forty-four trillion, two hundred forty-four billion, five hundred thirty-one million, four hundred one thousand, four hundred fifty-three".