345138230 has 32 divisors (see below), whose sum is σ = 682387200. Its totient is φ = 125101152.

The previous prime is 345138229. The next prime is 345138307. The reversal of 345138230 is 32831543.

It is a super-3 number, since 3×345138230³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 345138193 and 345138202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35120 + ... + 43859.

It is an arithmetic number, because the mean of its divisors is an integer number (21324600).

Almost surely, 2^345138230 is an apocalyptic number.

345138230 is a deficient number, since it is larger than the sum of its proper divisors (337248970).

345138230 is a wasteful number, since it uses less digits than its factorization.

345138230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79028.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 345138230 is about 18577.8962748746. The cubic root of 345138230 is about 701.4515660877.

Adding to 345138230 its reverse (32831543), we get a palindrome (377969773).

The spelling of 345138230 in words is "three hundred forty-five million, one hundred thirty-eight thousand, two hundred thirty".