345040302 has 16 divisors (see below), whose sum is σ = 696188880. Its totient is φ = 113995392.

The previous prime is 345040291. The next prime is 345040307. The reversal of 345040302 is 203040543.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345040307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253777 + ... + 255132.

It is an arithmetic number, because the mean of its divisors is an integer number (43511805).

Almost surely, 2^345040302 is an apocalyptic number.

345040302 is an abundant number, since it is smaller than the sum of its proper divisors (351148578).

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

345040302 is a wasteful number, since it uses less digits than its factorization.

345040302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509027.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 345040302 is about 18575.2604826958. The cubic root of 345040302 is about 701.3852175537.

Adding to 345040302 its reverse (203040543), we get a palindrome (548080845).

The spelling of 345040302 in words is "three hundred forty-five million, forty thousand, three hundred two".