45103523 has 2 divisors, whose sum is σ = 45103524. Its totient is φ = 45103522.

The previous prime is 45103501. The next prime is 45103537. The reversal of 45103523 is 32530154.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45103523 - 2¹² = 45099427 is a prime.

It is not a weakly prime, because it can be changed into another prime (45103573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22551761 + 22551762.

It is an arithmetic number, because the mean of its divisors is an integer number (22551762).

Almost surely, 2^45103523 is an apocalyptic number.

45103523 is a deficient number, since it is larger than the sum of its proper divisors (1).

45103523 is an equidigital number, since it uses as much as digits as its factorization.

45103523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 45103523 is about 6715.9156486662. The cubic root of 45103523 is about 355.9618773090.

Adding to 45103523 its reverse (32530154), we get a palindrome (77633677).

The spelling of 45103523 in words is "forty-five million, one hundred three thousand, five hundred twenty-three".