345421502450 has 48 divisors (see below), whose sum is σ = 648194227200. Its totient is φ = 136942787520.

The previous prime is 345421502417. The next prime is 345421502519. The reversal of 345421502450 is 54205124543.

It is a self number, because there is not a number n which added to its sum of digits gives 345421502450.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6405701 + ... + 6459399.

It is an arithmetic number, because the mean of its divisors is an integer number (13504046400).

Almost surely, 2^345421502450 is an apocalyptic number.

345421502450 is a deficient number, since it is larger than the sum of its proper divisors (302772724750).

345421502450 is a wasteful number, since it uses less digits than its factorization.

345421502450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54851 (or 54846 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 345421502450 its reverse (54205124543), we get a palindrome (399626626993).

The spelling of 345421502450 in words is "three hundred forty-five billion, four hundred twenty-one million, five hundred two thousand, four hundred fifty".