45544819 has 8 divisors (see below), whose sum is σ = 49887360. Its totient is φ = 41387136.

The previous prime is 45544813. The next prime is 45544841. The reversal of 45544819 is 91844554.

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 45544819 - 2⁵ = 45544787 is a prime.

It is a super-2 number, since 2×45544819² = 4148661075485522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45544813) 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 in 7 ways as a sum of consecutive naturals, for example, 45699 + ... + 46684.

It is an arithmetic number, because the mean of its divisors is an integer number (6235920).

Almost surely, 2^45544819 is an apocalyptic number.

45544819 is a deficient number, since it is larger than the sum of its proper divisors (4342541).

45544819 is a wasteful number, since it uses less digits than its factorization.

45544819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92429.

The product of its digits is 115200, while the sum is 40.

The square root of 45544819 is about 6748.6901692106. The cubic root of 45544819 is about 357.1190301590.

The spelling of 45544819 in words is "forty-five million, five hundred forty-four thousand, eight hundred nineteen".