342515045 has 4 divisors (see below), whose sum is σ = 411018060. Its totient is φ = 274012032.

The previous prime is 342515009. The next prime is 342515059. The reversal of 342515045 is 540515243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 540515243 = 199 ⋅2716157.

It can be written as a sum of positive squares in 2 ways, for example, as 249450436 + 93064609 = 15794^2 + 9647^2 .

It is a cyclic number.

It is not a de Polignac number, because 342515045 - 2²⁶ = 275406181 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 342514999 and 342515017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34251500 + ... + 34251509.

It is an arithmetic number, because the mean of its divisors is an integer number (102754515).

Almost surely, 2^342515045 is an apocalyptic number.

It is an amenable number.

342515045 is a deficient number, since it is larger than the sum of its proper divisors (68503015).

342515045 is an equidigital number, since it uses as much as digits as its factorization.

342515045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68503014.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 342515045 is about 18507.1619920505. The cubic root of 342515045 is about 699.6699430388.

The spelling of 342515045 in words is "three hundred forty-two million, five hundred fifteen thousand, forty-five".