345500351 has 16 divisors (see below), whose sum is σ = 416332800. Its totient is φ = 280088928.

The previous prime is 345500321. The next prime is 345500359. The reversal of 345500351 is 153005543.

It is not a de Polignac number, because 345500351 - 2²² = 341306047 is a prime.

It is a super-2 number, since 2×345500351² = 238740985082246402, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 345500351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345500359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93821 + ... + 97433.

It is an arithmetic number, because the mean of its divisors is an integer number (26020800).

Almost surely, 2^345500351 is an apocalyptic number.

345500351 is a deficient number, since it is larger than the sum of its proper divisors (70832449).

345500351 is a wasteful number, since it uses less digits than its factorization.

345500351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4358.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 345500351 is about 18587.6397372017. The cubic root of 345500351 is about 701.6968026681.

Adding to 345500351 its reverse (153005543), we get a palindrome (498505894).

The spelling of 345500351 in words is "three hundred forty-five million, five hundred thousand, three hundred fifty-one".