145135055 has 8 divisors (see below), whose sum is σ = 187559232. Its totient is φ = 107176608.

The previous prime is 145135033. The next prime is 145135057. The reversal of 145135055 is 550531541.

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 145135055 - 2²⁰ = 144086479 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 (145135057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1116359 + ... + 1116488.

It is an arithmetic number, because the mean of its divisors is an integer number (23444904).

Almost surely, 2^145135055 is an apocalyptic number.

145135055 is a deficient number, since it is larger than the sum of its proper divisors (42424177).

145135055 is a wasteful number, since it uses less digits than its factorization.

145135055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2232865.

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 145135055 is about 12047.2011272328. The cubic root of 145135055 is about 525.5218454418.

Adding to 145135055 its reverse (550531541), we get a palindrome (695666596).

The spelling of 145135055 in words is "one hundred forty-five million, one hundred thirty-five thousand, fifty-five".