1245552352194 has 32 divisors (see below), whose sum is σ = 2496271789440. Its totient is φ = 414323818112.

The previous prime is 1245552352193. The next prime is 1245552352217. The reversal of 1245552352194 is 4912532555421.

It is a happy number.

It is a super-2 number, since 2×1245552352194² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1245552352193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5593267 + ... + 5811689.

It is an arithmetic number, because the mean of its divisors is an integer number (78008493420).

Almost surely, 2^{1245552352194} is an apocalyptic number.

1245552352194 is an abundant number, since it is smaller than the sum of its proper divisors (1250719437246).

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

1245552352194 is a wasteful number, since it uses less digits than its factorization.

1245552352194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220394.

The product of its digits is 2160000, while the sum is 48.

The spelling of 1245552352194 in words is "one trillion, two hundred forty-five billion, five hundred fifty-two million, three hundred fifty-two thousand, one hundred ninety-four".