45452545 has 4 divisors (see below), whose sum is σ = 54543060. Its totient is φ = 36362032.

The previous prime is 45452527. The next prime is 45452569. The reversal of 45452545 is 54525454.

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 9560464 + 35892081 = 3092^2 + 5991^2 .

It is a cyclic number.

It is not a de Polignac number, because 45452545 - 2⁵ = 45452513 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 45452545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4545250 + ... + 4545259.

It is an arithmetic number, because the mean of its divisors is an integer number (13635765).

Almost surely, 2^45452545 is an apocalyptic number.

It is an amenable number.

45452545 is a deficient number, since it is larger than the sum of its proper divisors (9090515).

45452545 is an equidigital number, since it uses as much as digits as its factorization.

45452545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9090514.

The product of its digits is 80000, while the sum is 34.

The square root of 45452545 is about 6741.8502653203. The cubic root of 45452545 is about 356.8776922024.

Adding to 45452545 its reverse (54525454), we get a palindrome (99977999).

The spelling of 45452545 in words is "forty-five million, four hundred fifty-two thousand, five hundred forty-five".