220414545 has 48 divisors (see below), whose sum is σ = 419262480. Its totient is φ = 106449408.

The previous prime is 220414507. The next prime is 220414553. The reversal of 220414545 is 545414022.

220414545 is a `hidden beast` number, since 2 + 204 + 1 + 454 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 25979409 + 194435136 = 5097^2 + 13944^2 .

It is not a de Polignac number, because 220414545 - 2⁷ = 220414417 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27451 + ... + 34559.

It is an arithmetic number, because the mean of its divisors is an integer number (8734635).

Almost surely, 2^220414545 is an apocalyptic number.

It is an amenable number.

220414545 is a deficient number, since it is larger than the sum of its proper divisors (198847935).

220414545 is a wasteful number, since it uses less digits than its factorization.

220414545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7186 (or 7183 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 220414545 is about 14846.3647065536. The cubic root of 220414545 is about 604.0600069396.

Adding to 220414545 its reverse (545414022), we get a palindrome (765828567).

The spelling of 220414545 in words is "two hundred twenty million, four hundred fourteen thousand, five hundred forty-five".