45512003 has 4 divisors (see below), whose sum is σ = 45766440. Its totient is φ = 45257568.

The previous prime is 45511997. The next prime is 45512021. The reversal of 45512003 is 30021554.

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 45512003 - 2⁸ = 45511747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45512023) 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, 126950 + ... + 127307.

It is an arithmetic number, because the mean of its divisors is an integer number (11441610).

Almost surely, 2^45512003 is an apocalyptic number.

45512003 is a deficient number, since it is larger than the sum of its proper divisors (254437).

45512003 is a wasteful number, since it uses less digits than its factorization.

45512003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254436.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 45512003 is about 6746.2584445009. The cubic root of 45512003 is about 357.0332389601.

Adding to 45512003 its reverse (30021554), we get a palindrome (75533557).

The spelling of 45512003 in words is "forty-five million, five hundred twelve thousand, three".