345240132 has 12 divisors (see below), whose sum is σ = 805560336. Its totient is φ = 115080040.

The previous prime is 345240121. The next prime is 345240139. The reversal of 345240132 is 231042543.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (345240139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14384994 + ... + 14385017.

It is an arithmetic number, because the mean of its divisors is an integer number (67130028).

Almost surely, 2^345240132 is an apocalyptic number.

It is an amenable number.

345240132 is an abundant number, since it is smaller than the sum of its proper divisors (460320204).

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

345240132 is a wasteful number, since it uses less digits than its factorization.

345240132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28770018 (or 28770016 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 345240132 is about 18580.6386327273. The cubic root of 345240132 is about 701.5205937773.

Adding to 345240132 its reverse (231042543), we get a palindrome (576282675).

The spelling of 345240132 in words is "three hundred forty-five million, two hundred forty thousand, one hundred thirty-two".