45347447 has 2 divisors, whose sum is σ = 45347448. Its totient is φ = 45347446.

The previous prime is 45347441. The next prime is 45347453. The reversal of 45347447 is 74474354.

It is a balanced prime because it is at equal distance from previous prime (45347441) and next prime (45347453).

It is a cyclic number.

It is not a de Polignac number, because 45347447 - 2⁴ = 45347431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45347447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45347441) 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, 22673723 + 22673724.

It is an arithmetic number, because the mean of its divisors is an integer number (22673724).

Almost surely, 2^45347447 is an apocalyptic number.

45347447 is a deficient number, since it is larger than the sum of its proper divisors (1).

45347447 is an equidigital number, since it uses as much as digits as its factorization.

45347447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 188160, while the sum is 38.

The square root of 45347447 is about 6734.0513066059. The cubic root of 45347447 is about 356.6024155184.

The spelling of 45347447 in words is "forty-five million, three hundred forty-seven thousand, four hundred forty-seven".