45135445 has 4 divisors (see below), whose sum is σ = 54162540. Its totient is φ = 36108352.

The previous prime is 45135437. The next prime is 45135451. The reversal of 45135445 is 54453154.

It is a happy number.

45135445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31102929 + 14032516 = 5577^2 + 3746^2 .

It is a cyclic number.

It is not a de Polignac number, because 45135445 - 2³ = 45135437 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 4513540 + ... + 4513549.

It is an arithmetic number, because the mean of its divisors is an integer number (13540635).

Almost surely, 2^45135445 is an apocalyptic number.

It is an amenable number.

45135445 is a deficient number, since it is larger than the sum of its proper divisors (9027095).

45135445 is an equidigital number, since it uses as much as digits as its factorization.

45135445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9027094.

The product of its digits is 24000, while the sum is 31.

The square root of 45135445 is about 6718.2918215868. The cubic root of 45135445 is about 356.0458347963.

Adding to 45135445 its reverse (54453154), we get a palindrome (99588599).

The spelling of 45135445 in words is "forty-five million, one hundred thirty-five thousand, four hundred forty-five".