345530534521445 has 64 divisors (see below), whose sum is σ = 541630564231680. Its totient is φ = 205352899411968.

The previous prime is 345530534521421. The next prime is 345530534521481. The reversal of 345530534521445 is 544125435035543.

It is not a de Polignac number, because 345530534521445 - 2⁸ = 345530534521189 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 50065772 + ... + 56547701.

It is an arithmetic number, because the mean of its divisors is an integer number (8462977566120).

Almost surely, 2^{345530534521445} is an apocalyptic number.

345530534521445 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

345530534521445 is a deficient number, since it is larger than the sum of its proper divisors (196100029710235).

345530534521445 is a wasteful number, since it uses less digits than its factorization.

345530534521445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106613934.

The product of its (nonzero) digits is 43200000, while the sum is 53.

Adding to 345530534521445 its reverse (544125435035543), we get a palindrome (889655969556988).

The spelling of 345530534521445 in words is "three hundred forty-five trillion, five hundred thirty billion, five hundred thirty-four million, five hundred twenty-one thousand, four hundred forty-five".