45120203 has 2 divisors, whose sum is σ = 45120204. Its totient is φ = 45120202.

The previous prime is 45120167. The next prime is 45120209. The reversal of 45120203 is 30202154.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45120203 - 2⁸ = 45119947 is a prime.

It is a super-2 number, since 2×45120203² = 4071665437522418, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (45120209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22560101 + 22560102.

It is an arithmetic number, because the mean of its divisors is an integer number (22560102).

Almost surely, 2^45120203 is an apocalyptic number.

45120203 is a deficient number, since it is larger than the sum of its proper divisors (1).

45120203 is an equidigital number, since it uses as much as digits as its factorization.

45120203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 45120203 is about 6717.1573600743. The cubic root of 45120203 is about 356.0057520217.

Adding to 45120203 its reverse (30202154), we get a palindrome (75322357).

The spelling of 45120203 in words is "forty-five million, one hundred twenty thousand, two hundred three".