144135521404555 has 8 divisors (see below), whose sum is σ = 173165395474512. Its totient is φ = 115173237264288.

The previous prime is 144135521404541. The next prime is 144135521404601. The reversal of 144135521404555 is 555404125531441.

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

It is a cyclic number.

It is not a de Polignac number, because 144135521404555 - 2²³ = 144135513015947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144135521404499 and 144135521404508.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16897477729 + ... + 16897486258.

It is an arithmetic number, because the mean of its divisors is an integer number (21645674434314).

Almost surely, 2^{144135521404555} is an apocalyptic number.

144135521404555 is a deficient number, since it is larger than the sum of its proper divisors (29029874069957).

144135521404555 is an equidigital number, since it uses as much as digits as its factorization.

144135521404555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33794964845.

The product of its (nonzero) digits is 4800000, while the sum is 49.

Adding to 144135521404555 its reverse (555404125531441), we get a palindrome (699539646935996).

The spelling of 144135521404555 in words is "one hundred forty-four trillion, one hundred thirty-five billion, five hundred twenty-one million, four hundred four thousand, five hundred fifty-five".