345121450033 has 4 divisors (see below), whose sum is σ = 346224074788. Its totient is φ = 344018825280.

The previous prime is 345121450013. The next prime is 345121450043. The reversal of 345121450033 is 330054121543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 330054121543 = 44563 ⋅7406461.

It can be written as a sum of positive squares in 2 ways, for example, as 14321626929 + 330799823104 = 119673^2 + 575152^2 .

It is a cyclic number.

It is not a de Polignac number, because 345121450033 - 2¹⁷ = 345121318961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345121449977 and 345121450004.

It is not an unprimeable number, because it can be changed into a prime (345121450013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551311908 + ... + 551312533.

It is an arithmetic number, because the mean of its divisors is an integer number (86556018697).

Almost surely, 2^345121450033 is an apocalyptic number.

It is an amenable number.

345121450033 is a deficient number, since it is larger than the sum of its proper divisors (1102624755).

345121450033 is a wasteful number, since it uses less digits than its factorization.

345121450033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102624754.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 345121450033 its reverse (330054121543), we get a palindrome (675175571576).

The spelling of 345121450033 in words is "three hundred forty-five billion, one hundred twenty-one million, four hundred fifty thousand, thirty-three".