45229217 has 8 divisors (see below), whose sum is σ = 50932992. Its totient is φ = 39790800.

The previous prime is 45229211. The next prime is 45229229. The reversal of 45229217 is 71292254.

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 45229217 - 2⁸ = 45228961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45229211) 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, 65978 + ... + 66659.

It is an arithmetic number, because the mean of its divisors is an integer number (6366624).

Almost surely, 2^45229217 is an apocalyptic number.

It is an amenable number.

45229217 is a deficient number, since it is larger than the sum of its proper divisors (5703775).

45229217 is a wasteful number, since it uses less digits than its factorization.

45229217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132679.

The product of its digits is 10080, while the sum is 32.

The square root of 45229217 is about 6725.2670578944. The cubic root of 45229217 is about 356.2922341639.

The spelling of 45229217 in words is "forty-five million, two hundred twenty-nine thousand, two hundred seventeen".