147218353 has 6 divisors (see below), whose sum is σ = 147921506. Its totient is φ = 146518512.

The previous prime is 147218347. The next prime is 147218359. The reversal of 147218353 is 353812741.

It is an interprime number because it is at equal distance from previous prime (147218347) and next prime (147218359).

It can be written as a sum of positive squares in only one way, i.e., 134026929 + 13191424 = 11577^2 + 3632^2 .

It is not a de Polignac number, because 147218353 - 2²¹ = 145121201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147218359) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50101 + ... + 52957.

Almost surely, 2^147218353 is an apocalyptic number.

It is an amenable number.

147218353 is a deficient number, since it is larger than the sum of its proper divisors (703153).

147218353 is an frugal number, since it uses more digits than its factorization.

147218353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3311 (or 3084 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 147218353 is about 12133.3570375226. The cubic root of 147218353 is about 528.0243917126.

The spelling of 147218353 in words is "one hundred forty-seven million, two hundred eighteen thousand, three hundred fifty-three".