145473055 has 32 divisors (see below), whose sum is σ = 218534400. Its totient is φ = 90502272.

The previous prime is 145473017. The next prime is 145473059. The reversal of 145473055 is 550374541.

It is not a de Polignac number, because 145473055 - 2⁹ = 145472543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145473055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145473059) 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, 24136 + ... + 29554.

It is an arithmetic number, because the mean of its divisors is an integer number (6829200).

Almost surely, 2^145473055 is an apocalyptic number.

145473055 is a deficient number, since it is larger than the sum of its proper divisors (73061345).

145473055 is a wasteful number, since it uses less digits than its factorization.

145473055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5503.

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 145473055 is about 12061.2211239161. The cubic root of 145473055 is about 525.9294856970.

The spelling of 145473055 in words is "one hundred forty-five million, four hundred seventy-three thousand, fifty-five".