45219417 has 8 divisors (see below), whose sum is σ = 60889920. Its totient is φ = 29847600.

The previous prime is 45219401. The next prime is 45219451. The reversal of 45219417 is 71491254.

It is a happy number.

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

It is not a de Polignac number, because 45219417 - 2⁴ = 45219401 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (45219457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74317 + ... + 74922.

It is an arithmetic number, because the mean of its divisors is an integer number (7611240).

Almost surely, 2^45219417 is an apocalyptic number.

It is an amenable number.

45219417 is a deficient number, since it is larger than the sum of its proper divisors (15670503).

45219417 is a wasteful number, since it uses less digits than its factorization.

45219417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149343.

The product of its digits is 10080, while the sum is 33.

The square root of 45219417 is about 6724.5384228213. The cubic root of 45219417 is about 356.2664992051.

The spelling of 45219417 in words is "forty-five million, two hundred nineteen thousand, four hundred seventeen".