1345220451630 has 64 divisors (see below), whose sum is σ = 3913368595200. Its totient is φ = 326114048160.

The previous prime is 1345220451623. The next prime is 1345220451649. The reversal of 1345220451630 is 361540225431.

1345220451630 is a `hidden beast` number, since 1 + 3 + 452 + 2 + 0 + 45 + 163 + 0 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 226465120 + ... + 226471059.

It is an arithmetic number, because the mean of its divisors is an integer number (61146384300).

Almost surely, 2^{1345220451630} is an apocalyptic number.

1345220451630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1345220451630 is an abundant number, since it is smaller than the sum of its proper divisors (2568148143570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1345220451630 is a wasteful number, since it uses less digits than its factorization.

1345220451630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452936206 (or 452936200 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 1345220451630 in words is "one trillion, three hundred forty-five billion, two hundred twenty million, four hundred fifty-one thousand, six hundred thirty".