45166242503 has 2 divisors, whose sum is σ = 45166242504. Its totient is φ = 45166242502.

The previous prime is 45166242463. The next prime is 45166242533. The reversal of 45166242503 is 30524266154.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45166242503 - 2¹⁰ = 45166241479 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45166242533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22583121251 + 22583121252.

It is an arithmetic number, because the mean of its divisors is an integer number (22583121252).

Almost surely, 2^45166242503 is an apocalyptic number.

45166242503 is a deficient number, since it is larger than the sum of its proper divisors (1).

45166242503 is an equidigital number, since it uses as much as digits as its factorization.

45166242503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 45166242503 in words is "forty-five billion, one hundred sixty-six million, two hundred forty-two thousand, five hundred three".