345331242 has 32 divisors (see below), whose sum is σ = 773020800. Its totient is φ = 114267744.

The previous prime is 345331229. The next prime is 345331243. The reversal of 345331242 is 242133543.

345331242 is a `hidden beast` number, since 3 + 4 + 533 + 124 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (345331243) 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 15 ways as a sum of consecutive naturals, for example, 15942 + ... + 30737.

It is an arithmetic number, because the mean of its divisors is an integer number (24156900).

Almost surely, 2^345331242 is an apocalyptic number.

345331242 is an abundant number, since it is smaller than the sum of its proper divisors (427689558).

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

345331242 is a wasteful number, since it uses less digits than its factorization.

345331242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46827 (or 46821 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 345331242 is about 18583.0902166459. The cubic root of 345331242 is about 701.5822995426.

Adding to 345331242 its reverse (242133543), we get a palindrome (587464785).

The spelling of 345331242 in words is "three hundred forty-five million, three hundred thirty-one thousand, two hundred forty-two".