45985507 has 2 divisors, whose sum is σ = 45985508. Its totient is φ = 45985506.

The previous prime is 45985439. The next prime is 45985543. The reversal of 45985507 is 70558954.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45985507 - 2¹¹ = 45983459 is a prime.

It is a super-2 number, since 2×45985507² = 4229333708094098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45985007) 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, 22992753 + 22992754.

It is an arithmetic number, because the mean of its divisors is an integer number (22992754).

Almost surely, 2^45985507 is an apocalyptic number.

45985507 is a deficient number, since it is larger than the sum of its proper divisors (1).

45985507 is an equidigital number, since it uses as much as digits as its factorization.

45985507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252000, while the sum is 43.

The square root of 45985507 is about 6781.2614608198. The cubic root of 45985507 is about 358.2671533571.

The spelling of 45985507 in words is "forty-five million, nine hundred eighty-five thousand, five hundred seven".