45405203 has 2 divisors, whose sum is σ = 45405204. Its totient is φ = 45405202.

The previous prime is 45405187. The next prime is 45405209. The reversal of 45405203 is 30250454.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45405203 - 2⁴ = 45405187 is a prime.

It is not a weakly prime, because it can be changed into another prime (45405209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22702601 + 22702602.

It is an arithmetic number, because the mean of its divisors is an integer number (22702602).

Almost surely, 2^45405203 is an apocalyptic number.

45405203 is a deficient number, since it is larger than the sum of its proper divisors (1).

45405203 is an equidigital number, since it uses as much as digits as its factorization.

45405203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 45405203 is about 6738.3382966426. The cubic root of 45405203 is about 356.7537448123.

Adding to 45405203 its reverse (30250454), we get a palindrome (75655657).

The spelling of 45405203 in words is "forty-five million, four hundred five thousand, two hundred three".