145003055 has 4 divisors (see below), whose sum is σ = 174003672. Its totient is φ = 116002440.

The previous prime is 145003049. The next prime is 145003057. The reversal of 145003055 is 550300541.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 145003055 - 2⁸ = 145002799 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145003055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145003057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14500301 + ... + 14500310.

It is an arithmetic number, because the mean of its divisors is an integer number (43500918).

Almost surely, 2^145003055 is an apocalyptic number.

145003055 is a deficient number, since it is larger than the sum of its proper divisors (29000617).

145003055 is an equidigital number, since it uses as much as digits as its factorization.

145003055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29000616.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 145003055 is about 12041.7214300946. The cubic root of 145003055 is about 525.3624768121.

Adding to 145003055 its reverse (550300541), we get a palindrome (695303596).

The spelling of 145003055 in words is "one hundred forty-five million, three thousand, fifty-five".