45145003 has 4 divisors (see below), whose sum is σ = 45583408. Its totient is φ = 44706600.

The previous prime is 45144997. The next prime is 45145019. The reversal of 45145003 is 30054154.

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

It is a cyclic number.

It is not a de Polignac number, because 45145003 - 2²⁵ = 11590571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45145033) 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, 219048 + ... + 219253.

It is an arithmetic number, because the mean of its divisors is an integer number (11395852).

Almost surely, 2^45145003 is an apocalyptic number.

45145003 is a deficient number, since it is larger than the sum of its proper divisors (438405).

45145003 is a wasteful number, since it uses less digits than its factorization.

45145003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438404.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 45145003 is about 6719.0031254644. The cubic root of 45145003 is about 356.0709654218.

Adding to 45145003 its reverse (30054154), we get a palindrome (75199157).

It can be divided in two parts, 451 and 45003, that added together give a palindrome (45454).

The spelling of 45145003 in words is "forty-five million, one hundred forty-five thousand, three".