1245323350544 has 60 divisors (see below), whose sum is σ = 3022646124204. Its totient is φ = 492655387392.

The previous prime is 1245323350543. The next prime is 1245323350549. The reversal of 1245323350544 is 4450533235421.

It can be written as a sum of positive squares in 2 ways, for example, as 543481532944 + 701841817600 = 737212^2 + 837760^2 .

It is a super-3 number, since 3×1245323350544³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1245323350543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61082987 + ... + 61103370.

Almost surely, 2^{1245323350544} is an apocalyptic number.

1245323350544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1245323350544 is an abundant number, since it is smaller than the sum of its proper divisors (1777322773660).

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

1245323350544 is a wasteful number, since it uses less digits than its factorization.

1245323350544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122186392 (or 122186379 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 41.

Adding to 1245323350544 its reverse (4450533235421), we get a palindrome (5695856585965).

The spelling of 1245323350544 in words is "one trillion, two hundred forty-five billion, three hundred twenty-three million, three hundred fifty thousand, five hundred forty-four".