345140122 has 4 divisors (see below), whose sum is σ = 517710186. Its totient is φ = 172570060.

The previous prime is 345140101. The next prime is 345140123. The reversal of 345140122 is 221041543.

345140122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221041543 = 43 ⋅5140501.

It can be written as a sum of positive squares in only one way, i.e., 306215001 + 38925121 = 17499^2 + 6239^2 .

It is a junction number, because it is equal to n+sod(n) for n = 345140093 and 345140102.

It is not an unprimeable number, because it can be changed into a prime (345140123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86285029 + ... + 86285032.

Almost surely, 2^345140122 is an apocalyptic number.

345140122 is a deficient number, since it is larger than the sum of its proper divisors (172570064).

345140122 is a wasteful number, since it uses less digits than its factorization.

345140122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172570063.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 345140122 is about 18577.9471955327. The cubic root of 345140122 is about 701.4528478388.

Adding to 345140122 its reverse (221041543), we get a palindrome (566181665).

The spelling of 345140122 in words is "three hundred forty-five million, one hundred forty thousand, one hundred twenty-two".