45287147 has 2 divisors, whose sum is σ = 45287148. Its totient is φ = 45287146.

The previous prime is 45287129. The next prime is 45287159. The reversal of 45287147 is 74178254.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45287147 - 2¹⁴ = 45270763 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45287147.

It is not a weakly prime, because it can be changed into another prime (45287107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22643573 + 22643574.

It is an arithmetic number, because the mean of its divisors is an integer number (22643574).

Almost surely, 2^45287147 is an apocalyptic number.

45287147 is a deficient number, since it is larger than the sum of its proper divisors (1).

45287147 is an equidigital number, since it uses as much as digits as its factorization.

45287147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62720, while the sum is 38.

The square root of 45287147 is about 6729.5725718652. The cubic root of 45287147 is about 356.4442833980. Note that the first 3 decimals are identical.

The spelling of 45287147 in words is "forty-five million, two hundred eighty-seven thousand, one hundred forty-seven".