45511747 has 2 divisors, whose sum is σ = 45511748. Its totient is φ = 45511746.

The previous prime is 45511717. The next prime is 45511769. The reversal of 45511747 is 74711554.

45511747 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45511747 - 2¹¹ = 45509699 is a prime.

It is a super-2 number, since 2×45511747² = 4142638229984018, which contains 22 as substring.

It is equal to p_2747338 and since 45511747 and 2747338 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (45511717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22755873 + 22755874.

It is an arithmetic number, because the mean of its divisors is an integer number (22755874).

Almost surely, 2^45511747 is an apocalyptic number.

45511747 is a deficient number, since it is larger than the sum of its proper divisors (1).

45511747 is an equidigital number, since it uses as much as digits as its factorization.

45511747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19600, while the sum is 34.

The square root of 45511747 is about 6746.2394709942. The cubic root of 45511747 is about 357.0325695347.

It can be divided in two parts, 4551 and 1747, that multiplied together give a palindrome (7950597).

The spelling of 45511747 in words is "forty-five million, five hundred eleven thousand, seven hundred forty-seven".