45511247 has 2 divisors, whose sum is σ = 45511248. Its totient is φ = 45511246.

The previous prime is 45511229. The next prime is 45511267. The reversal of 45511247 is 74211554.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45511247 - 2⁸ = 45510991 is a prime.

It is equal to p_2747315 and since 45511247 and 2747315 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45511267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22755623 + 22755624.

It is an arithmetic number, because the mean of its divisors is an integer number (22755624).

Almost surely, 2^45511247 is an apocalyptic number.

45511247 is a deficient number, since it is larger than the sum of its proper divisors (1).

45511247 is an equidigital number, since it uses as much as digits as its factorization.

45511247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5600, while the sum is 29.

The square root of 45511247 is about 6746.2024132100. The cubic root of 45511247 is about 357.0312620558.

The spelling of 45511247 in words is "forty-five million, five hundred eleven thousand, two hundred forty-seven".