45210047 has 2 divisors, whose sum is σ = 45210048. Its totient is φ = 45210046.

The previous prime is 45210037. The next prime is 45210049. The reversal of 45210047 is 74001254.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45210047 - 2¹⁶ = 45144511 is a prime.

Together with 45210049, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45210049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22605023 + 22605024.

It is an arithmetic number, because the mean of its divisors is an integer number (22605024).

Almost surely, 2^45210047 is an apocalyptic number.

45210047 is a deficient number, since it is larger than the sum of its proper divisors (1).

45210047 is an equidigital number, since it uses as much as digits as its factorization.

45210047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 45210047 is about 6723.8416846324. The cubic root of 45210047 is about 356.2418899559.

The spelling of 45210047 in words is "forty-five million, two hundred ten thousand, forty-seven".