145540255055 has 32 divisors (see below), whose sum is σ = 190182894720. Its totient is φ = 106278842880.

The previous prime is 145540255039. The next prime is 145540255057. The reversal of 145540255055 is 550552045541.

It is not a de Polignac number, because 145540255055 - 2⁴ = 145540255039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145540255057) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 4731425 + ... + 4762085.

It is an arithmetic number, because the mean of its divisors is an integer number (5943215460).

Almost surely, 2^145540255055 is an apocalyptic number.

145540255055 is a deficient number, since it is larger than the sum of its proper divisors (44642639665).

145540255055 is a wasteful number, since it uses less digits than its factorization.

145540255055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31491.

The product of its (nonzero) digits is 500000, while the sum is 41.

The spelling of 145540255055 in words is "one hundred forty-five billion, five hundred forty million, two hundred fifty-five thousand, fifty-five".