345220132 has 6 divisors (see below), whose sum is σ = 604135238. Its totient is φ = 172610064.

The previous prime is 345220103. The next prime is 345220171. The reversal of 345220132 is 231022543.

It can be written as a sum of positive squares in only one way, i.e., 193043236 + 152176896 = 13894^2 + 12336^2 .

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 as a sum of consecutive naturals, namely, 43152513 + ... + 43152520.

Almost surely, 2^345220132 is an apocalyptic number.

It is an amenable number.

345220132 is a deficient number, since it is larger than the sum of its proper divisors (258915106).

345220132 is a wasteful number, since it uses less digits than its factorization.

345220132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86305037 (or 86305035 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 345220132 is about 18580.1004302991. The cubic root of 345220132 is about 701.5070469911.

Adding to 345220132 its reverse (231022543), we get a palindrome (576242675).

The spelling of 345220132 in words is "three hundred forty-five million, two hundred twenty thousand, one hundred thirty-two".