145056055 has 8 divisors (see below), whose sum is σ = 181635552. Its totient is φ = 110999328.

The previous prime is 145056047. The next prime is 145056059. The reversal of 145056055 is 550650541.

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 145056055 - 2³ = 145056047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145056059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 630564 + ... + 630793.

It is an arithmetic number, because the mean of its divisors is an integer number (22704444).

Almost surely, 2^145056055 is an apocalyptic number.

145056055 is a deficient number, since it is larger than the sum of its proper divisors (36579497).

145056055 is a wasteful number, since it uses less digits than its factorization.

145056055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261385.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 145056055 is about 12043.9219110720. The cubic root of 145056055 is about 525.4264773476.

The spelling of 145056055 in words is "one hundred forty-five million, fifty-six thousand, fifty-five".