45472247 has 2 divisors, whose sum is σ = 45472248. Its totient is φ = 45472246.

The previous prime is 45472241. The next prime is 45472249. The reversal of 45472247 is 74227454.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45472247 - 2⁶ = 45472183 is a prime.

Together with 45472249, 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 (45472241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22736123 + 22736124.

It is an arithmetic number, because the mean of its divisors is an integer number (22736124).

Almost surely, 2^45472247 is an apocalyptic number.

45472247 is a deficient number, since it is larger than the sum of its proper divisors (1).

45472247 is an equidigital number, since it uses as much as digits as its factorization.

45472247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62720, while the sum is 35.

The square root of 45472247 is about 6743.3112785930. The cubic root of 45472247 is about 356.9292491880.

The spelling of 45472247 in words is "forty-five million, four hundred seventy-two thousand, two hundred forty-seven".