1345244000 has 192 divisors, whose sum is σ = 3560723712. Its totient is φ = 497664000.

The previous prime is 1345243993. The next prime is 1345244009. The reversal of 1345244000 is 4425431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345244009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4963865 + ... + 4964135.

It is an arithmetic number, because the mean of its divisors is an integer number (18545436).

Almost surely, 2^1345244000 is an apocalyptic number.

1345244000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1345244000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1780361856).

1345244000 is an abundant number, since it is smaller than the sum of its proper divisors (2215479712).

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

1345244000 is a wasteful number, since it uses less digits than its factorization.

1345244000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386 (or 368 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 1345244000 is about 36677.5680764142. The cubic root of 1345244000 is about 1103.9100518329.

Adding to 1345244000 its reverse (4425431), we get a palindrome (1349669431).

The spelling of 1345244000 in words is "one billion, three hundred forty-five million, two hundred forty-four thousand".