342804945 has 16 divisors (see below), whose sum is σ = 626843520. Its totient is φ = 156710784.

The previous prime is 342804941. The next prime is 342804953. The reversal of 342804945 is 549408243.

It is not a de Polignac number, because 342804945 - 2² = 342804941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (342804941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1632300 + ... + 1632509.

It is an arithmetic number, because the mean of its divisors is an integer number (39177720).

Almost surely, 2^342804945 is an apocalyptic number.

342804945 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

342804945 is a deficient number, since it is larger than the sum of its proper divisors (284038575).

342804945 is a wasteful number, since it uses less digits than its factorization.

342804945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3264824.

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 342804945 is about 18514.9924385618. The cubic root of 342804945 is about 699.8672843633.

The spelling of 342804945 in words is "three hundred forty-two million, eight hundred four thousand, nine hundred forty-five".