345252242 has 8 divisors (see below), whose sum is σ = 517957632. Its totient is φ = 172599700.

The previous prime is 345252233. The next prime is 345252277. The reversal of 345252242 is 242252543.

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

It is a super-2 number, since 2×345252242² = 238398221212053128, which contains 22 as substring.

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, 16367 + ... + 30957.

It is an arithmetic number, because the mean of its divisors is an integer number (64744704).

Almost surely, 2^345252242 is an apocalyptic number.

345252242 is a deficient number, since it is larger than the sum of its proper divisors (172705390).

345252242 is a wasteful number, since it uses less digits than its factorization.

345252242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26424.

The product of its digits is 19200, while the sum is 29.

The square root of 345252242 is about 18580.9645067203. The cubic root of 345252242 is about 701.5287961021.

The spelling of 345252242 in words is "three hundred forty-five million, two hundred fifty-two thousand, two hundred forty-two".