144554213552505 has 64 divisors (see below), whose sum is σ = 239474492694528. Its totient is φ = 74381507988480.

The previous prime is 144554213552501. The next prime is 144554213552531. The reversal of 144554213552505 is 505255312455441.

It is not a de Polignac number, because 144554213552505 - 2² = 144554213552501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144554213552501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2680725474 + ... + 2680779396.

It is an arithmetic number, because the mean of its divisors is an integer number (3741788948352).

Almost surely, 2^{144554213552505} is an apocalyptic number.

144554213552505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144554213552505 is a deficient number, since it is larger than the sum of its proper divisors (94920279142023).

144554213552505 is a wasteful number, since it uses less digits than its factorization.

144554213552505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71406.

The product of its (nonzero) digits is 12000000, while the sum is 51.

The spelling of 144554213552505 in words is "one hundred forty-four trillion, five hundred fifty-four billion, two hundred thirteen million, five hundred fifty-two thousand, five hundred five".