45354545 has 8 divisors (see below), whose sum is σ = 54741096. Its totient is φ = 36073216.

The previous prime is 45354541. The next prime is 45354553. The reversal of 45354545 is 54545354.

It can be written as a sum of positive squares in 4 ways, for example, as 19963024 + 25391521 = 4468^2 + 5039^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45354545 - 2² = 45354541 is a prime.

It is a Duffinian number.

45354545 is a modest number, since divided by 4545 gives 4535 as remainder.

It is not an unprimeable number, because it can be changed into a prime (45354541) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 25352 + ... + 27081.

It is an arithmetic number, because the mean of its divisors is an integer number (6842637).

Almost surely, 2^45354545 is an apocalyptic number.

It is an amenable number.

45354545 is a deficient number, since it is larger than the sum of its proper divisors (9386551).

45354545 is a wasteful number, since it uses less digits than its factorization.

45354545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52611.

The product of its digits is 120000, while the sum is 35.

The square root of 45354545 is about 6734.5783089960. The cubic root of 45354545 is about 356.6210202548.

Adding to 45354545 its reverse (54545354), we get a palindrome (99899899).

The spelling of 45354545 in words is "forty-five million, three hundred fifty-four thousand, five hundred forty-five".