345233442 has 16 divisors (see below), whose sum is σ = 691494912. Its totient is φ = 114906480.

The previous prime is 345233431. The next prime is 345233479. The reversal of 345233442 is 244332543.

It is a super-2 number, since 2×345233442² = 238372258950334728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38434 + ... + 46557.

It is an arithmetic number, because the mean of its divisors is an integer number (43218432).

Almost surely, 2^345233442 is an apocalyptic number.

345233442 is an abundant number, since it is smaller than the sum of its proper divisors (346261470).

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

345233442 is a wasteful number, since it uses less digits than its factorization.

345233442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85673.

The product of its digits is 34560, while the sum is 30.

The square root of 345233442 is about 18580.4586057503. The cubic root of 345233442 is about 701.5160624356.

Adding to 345233442 its reverse (244332543), we get a palindrome (589565985).

The spelling of 345233442 in words is "three hundred forty-five million, two hundred thirty-three thousand, four hundred forty-two".