144155474955 has 64 divisors (see below), whose sum is σ = 261873285120. Its totient is φ = 75205663488.

The previous prime is 144155474899. The next prime is 144155474977. The reversal of 144155474955 is 559474551441.

144155474955 is a `hidden beast` number, since 1 + 4 + 4 + 1 + 5 + 547 + 4 + 95 + 5 = 666.

It is not a de Polignac number, because 144155474955 - 2¹⁵ = 144155442187 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13972879 + ... + 13983191.

It is an arithmetic number, because the mean of its divisors is an integer number (4091770080).

Almost surely, 2^144155474955 is an apocalyptic number.

144155474955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

144155474955 is a deficient number, since it is larger than the sum of its proper divisors (117717810165).

144155474955 is a wasteful number, since it uses less digits than its factorization.

144155474955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12577 (or 12571 counting only the distinct ones).

The product of its digits is 10080000, while the sum is 54.

The spelling of 144155474955 in words is "one hundred forty-four billion, one hundred fifty-five million, four hundred seventy-four thousand, nine hundred fifty-five".