342974645 has 16 divisors (see below), whose sum is σ = 455211120. Its totient is φ = 246426624.

The previous prime is 342974641. The next prime is 342974647. The reversal of 342974645 is 546479243.

It can be written as a sum of positive squares in 8 ways, for example, as 11115556 + 331859089 = 3334^2 + 18217^2 .

It is a cyclic number.

It is not a de Polignac number, because 342974645 - 2² = 342974641 is a prime.

It is a super-2 number, since 2×342974645² = 235263214225752050, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 342974596 and 342974605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342974641) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 68900 + ... + 73709.

It is an arithmetic number, because the mean of its divisors is an integer number (28450695).

Almost surely, 2^342974645 is an apocalyptic number.

It is an amenable number.

342974645 is a deficient number, since it is larger than the sum of its proper divisors (112236475).

342974645 is a wasteful number, since it uses less digits than its factorization.

342974645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142664.

The product of its digits is 725760, while the sum is 44.

The square root of 342974645 is about 18519.5746441434. The cubic root of 342974645 is about 699.9827512757.

The spelling of 342974645 in words is "three hundred forty-two million, nine hundred seventy-four thousand, six hundred forty-five".