345515042133 has 6 divisors (see below), whose sum is σ = 499077283094. Its totient is φ = 230343361416.

The previous prime is 345515042099. The next prime is 345515042149. The reversal of 345515042133 is 331240515543.

345515042133 is a `hidden beast` number, since 3 + 4 + 5 + 515 + 0 + 4 + 2 + 133 = 666.

It can be written as a sum of positive squares in only one way, i.e., 241535880369 + 103979161764 = 491463^2 + 322458^2 .

It is a de Polignac number, because none of the positive numbers 2^k-345515042133 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345515042153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19195280110 + ... + 19195280127.

Almost surely, 2^345515042133 is an apocalyptic number.

It is an amenable number.

345515042133 is a deficient number, since it is larger than the sum of its proper divisors (153562240961).

345515042133 is a wasteful number, since it uses less digits than its factorization.

345515042133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38390560243 (or 38390560240 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 345515042133 its reverse (331240515543), we get a palindrome (676755557676).

The spelling of 345515042133 in words is "three hundred forty-five billion, five hundred fifteen million, forty-two thousand, one hundred thirty-three".