345164390 has 8 divisors (see below), whose sum is σ = 621295920. Its totient is φ = 138065752.

The previous prime is 345164377. The next prime is 345164419. The reversal of 345164390 is 93461543.

It is a happy number.

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

It is a super-2 number, since 2×345164390² = 238276912248144200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 345164390.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17258210 + ... + 17258229.

It is an arithmetic number, because the mean of its divisors is an integer number (77661990).

Almost surely, 2^345164390 is an apocalyptic number.

345164390 is a deficient number, since it is larger than the sum of its proper divisors (276131530).

345164390 is a wasteful number, since it uses less digits than its factorization.

345164390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34516446.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 345164390 is about 18578.6003240287. The cubic root of 345164390 is about 701.4692879817.

The spelling of 345164390 in words is "three hundred forty-five million, one hundred sixty-four thousand, three hundred ninety".