144531554451 has 8 divisors (see below), whose sum is σ = 193316654544. Its totient is φ = 96050412000.

The previous prime is 144531554429. The next prime is 144531554471. The reversal of 144531554451 is 154455135441.

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 144531554451 - 2²¹ = 144529457299 is a prime.

It is a super-2 number, since 2×144531554451² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144531554471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75988300 + ... + 75990201.

It is an arithmetic number, because the mean of its divisors is an integer number (24164581818).

Almost surely, 2^144531554451 is an apocalyptic number.

144531554451 is a deficient number, since it is larger than the sum of its proper divisors (48785100093).

144531554451 is a wasteful number, since it uses less digits than its factorization.

144531554451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151978821.

The product of its digits is 480000, while the sum is 42.

Adding to 144531554451 its reverse (154455135441), we get a palindrome (298986689892).

The spelling of 144531554451 in words is "one hundred forty-four billion, five hundred thirty-one million, five hundred fifty-four thousand, four hundred fifty-one".