345353540523452 has 24 divisors (see below), whose sum is σ = 604742702983440. Its totient is φ = 172569915175680.

The previous prime is 345353540523443. The next prime is 345353540523469. The reversal of 345353540523452 is 254325045353543.

It is a junction number, because it is equal to n+sod(n) for n = 345353540523394 and 345353540523403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357892523 + ... + 358856189.

It is an arithmetic number, because the mean of its divisors is an integer number (25197612624310).

Almost surely, 2^{345353540523452} is an apocalyptic number.

It is an amenable number.

345353540523452 is a deficient number, since it is larger than the sum of its proper divisors (259389162459988).

345353540523452 is a wasteful number, since it uses less digits than its factorization.

345353540523452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019021 (or 1019019 counting only the distinct ones).

The product of its (nonzero) digits is 64800000, while the sum is 53.

Adding to 345353540523452 its reverse (254325045353543), we get a palindrome (599678585876995).

The spelling of 345353540523452 in words is "three hundred forty-five trillion, three hundred fifty-three billion, five hundred forty million, five hundred twenty-three thousand, four hundred fifty-two".