1245802134450 has 96 divisors (see below), whose sum is σ = 3175743096576. Its totient is φ = 323061007360.

The previous prime is 1245802134413. The next prime is 1245802134461. The reversal of 1245802134450 is 544312085421.

It is a junction number, because it is equal to n+sod(n) for n = 1245802134399 and 1245802134408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 204967 + ... + 1591733.

It is an arithmetic number, because the mean of its divisors is an integer number (33080657256).

Almost surely, 2^{1245802134450} is an apocalyptic number.

1245802134450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1245802134450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1587871548288).

1245802134450 is an abundant number, since it is smaller than the sum of its proper divisors (1929940962126).

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

1245802134450 is a wasteful number, since it uses less digits than its factorization.

1245802134450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386948 (or 1386943 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 39.

The spelling of 1245802134450 in words is "one trillion, two hundred forty-five billion, eight hundred two million, one hundred thirty-four thousand, four hundred fifty".