45217130 has 32 divisors (see below), whose sum is σ = 93902976. Its totient is φ = 15355584.

The previous prime is 45217097. The next prime is 45217141. The reversal of 45217130 is 3171254.

It is a junction number, because it is equal to n+sod(n) for n = 45217096 and 45217105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4472 + ... + 10508.

It is an arithmetic number, because the mean of its divisors is an integer number (2934468).

Almost surely, 2^45217130 is an apocalyptic number.

45217130 is an abundant number, since it is smaller than the sum of its proper divisors (48685846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45217130 is a wasteful number, since it uses less digits than its factorization.

45217130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6158.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 45217130 is about 6724.3683718250. The cubic root of 45217130 is about 356.2604929709.

Adding to 45217130 its reverse (3171254), we get a palindrome (48388384).

The spelling of 45217130 in words is "forty-five million, two hundred seventeen thousand, one hundred thirty".