45091203 has 4 divisors (see below), whose sum is σ = 60121608. Its totient is φ = 30060800.

The previous prime is 45091187. The next prime is 45091213. The reversal of 45091203 is 30219054.

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 45091203 - 2⁴ = 45091187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45091213) 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, 7515198 + ... + 7515203.

It is an arithmetic number, because the mean of its divisors is an integer number (15030402).

Almost surely, 2^45091203 is an apocalyptic number.

45091203 is a deficient number, since it is larger than the sum of its proper divisors (15030405).

45091203 is a wasteful number, since it uses less digits than its factorization.

45091203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15030404.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 45091203 is about 6714.9983618762. The cubic root of 45091203 is about 355.9294641005.

The spelling of 45091203 in words is "forty-five million, ninety-one thousand, two hundred three".