45772219 has 8 divisors (see below), whose sum is σ = 48011328. Its totient is φ = 43585920.

The previous prime is 45772217. The next prime is 45772247. The reversal of 45772219 is 91227754.

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

It is not a de Polignac number, because 45772219 - 2¹ = 45772217 is a prime.

It is a super-2 number, since 2×45772219² = 4190192064367922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45772217) 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, 11422 + ... + 14899.

It is an arithmetic number, because the mean of its divisors is an integer number (6001416).

Almost surely, 2^45772219 is an apocalyptic number.

45772219 is a deficient number, since it is larger than the sum of its proper divisors (2239109).

45772219 is a wasteful number, since it uses less digits than its factorization.

45772219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26405.

The product of its digits is 35280, while the sum is 37.

The square root of 45772219 is about 6765.5169056030. The cubic root of 45772219 is about 357.7123950203.

The spelling of 45772219 in words is "forty-five million, seven hundred seventy-two thousand, two hundred nineteen".