4545020203 has 2 divisors, whose sum is σ = 4545020204. Its totient is φ = 4545020202.

The previous prime is 4545020173. The next prime is 4545020231. The reversal of 4545020203 is 3020205454.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4545020203 - 2²⁵ = 4511465771 is a prime.

It is a super-2 number, since 2×4545020203² = 41314417291356322418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4545020003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2272510101 + 2272510102.

It is an arithmetic number, because the mean of its divisors is an integer number (2272510102).

Almost surely, 2^4545020203 is an apocalyptic number.

4545020203 is a deficient number, since it is larger than the sum of its proper divisors (1).

4545020203 is an equidigital number, since it uses as much as digits as its factorization.

4545020203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 4545020203 is about 67416.7649995163. The cubic root of 4545020203 is about 1656.4510480841.

Adding to 4545020203 its reverse (3020205454), we get a palindrome (7565225657).

The spelling of 4545020203 in words is "four billion, five hundred forty-five million, twenty thousand, two hundred three".