340145422 has 4 divisors (see below), whose sum is σ = 510218136. Its totient is φ = 170072710.

The previous prime is 340145419. The next prime is 340145431. The reversal of 340145422 is 224541043.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 224541043 = 47 ⋅4777469.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85036354 + ... + 85036357.

It is an arithmetic number, because the mean of its divisors is an integer number (127554534).

Almost surely, 2^340145422 is an apocalyptic number.

340145422 is a deficient number, since it is larger than the sum of its proper divisors (170072714).

340145422 is a wasteful number, since it uses less digits than its factorization.

340145422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170072713.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 340145422 is about 18443.0318006558. The cubic root of 340145422 is about 698.0526981064.

Adding to 340145422 its reverse (224541043), we get a palindrome (564686465).

The spelling of 340145422 in words is "three hundred forty million, one hundred forty-five thousand, four hundred twenty-two".