45512347 has 2 divisors, whose sum is σ = 45512348. Its totient is φ = 45512346.

The previous prime is 45512333. The next prime is 45512351. The reversal of 45512347 is 74321554.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45512347 is a prime.

It is not a weakly prime, because it can be changed into another prime (45512647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22756173 + 22756174.

It is an arithmetic number, because the mean of its divisors is an integer number (22756174).

Almost surely, 2^45512347 is an apocalyptic number.

45512347 is a deficient number, since it is larger than the sum of its proper divisors (1).

45512347 is an equidigital number, since it uses as much as digits as its factorization.

45512347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16800, while the sum is 31.

The square root of 45512347 is about 6746.2839400666. The cubic root of 45512347 is about 357.0341384966.

The spelling of 45512347 in words is "forty-five million, five hundred twelve thousand, three hundred forty-seven".