345213442 has 8 divisors (see below), whose sum is σ = 591794496. Its totient is φ = 147948612.

The previous prime is 345213439. The next prime is 345213469. The reversal of 345213442 is 244312543.

It is a happy number.

345213442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 345213442.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12329038 + ... + 12329065.

It is an arithmetic number, because the mean of its divisors is an integer number (73974312).

Almost surely, 2^345213442 is an apocalyptic number.

345213442 is a deficient number, since it is larger than the sum of its proper divisors (246581054).

345213442 is a wasteful number, since it uses less digits than its factorization.

345213442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24658112.

The product of its digits is 11520, while the sum is 28.

The square root of 345213442 is about 18579.9203981072. The cubic root of 345213442 is about 701.5025154743.

Adding to 345213442 its reverse (244312543), we get a palindrome (589525985).

The spelling of 345213442 in words is "three hundred forty-five million, two hundred thirteen thousand, four hundred forty-two".