45546817 has 4 divisors (see below), whose sum is σ = 46170820. Its totient is φ = 44922816.

The previous prime is 45546803. The next prime is 45546841. The reversal of 45546817 is 71864554.

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 8202496 + 37344321 = 2864^2 + 6111^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45546817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45546817.

It is not an unprimeable number, because it can be changed into a prime (45546887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311892 + ... + 312037.

It is an arithmetic number, because the mean of its divisors is an integer number (11542705).

Almost surely, 2^45546817 is an apocalyptic number.

It is an amenable number.

45546817 is a deficient number, since it is larger than the sum of its proper divisors (624003).

45546817 is an equidigital number, since it uses as much as digits as its factorization.

45546817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624002.

The product of its digits is 134400, while the sum is 40.

The square root of 45546817 is about 6748.8381963120. The cubic root of 45546817 is about 357.1242522194.

The spelling of 45546817 in words is "forty-five million, five hundred forty-six thousand, eight hundred seventeen".