1345849344 has 480 divisors, whose sum is σ = 4915310400. Its totient is φ = 358318080.

The previous prime is 1345849343. The next prime is 1345849381. The reversal of 1345849344 is 4439485431.

1345849344 is a `hidden beast` number, since 1 + 34 + 584 + 9 + 34 + 4 = 666.

It is a super-2 number, since 2×1345849344² = 3622620913490460672, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1345849344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345849343) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 22063074 + ... + 22063134.

It is an arithmetic number, because the mean of its divisors is an integer number (10240230).

Almost surely, 2^1345849344 is an apocalyptic number.

1345849344 is a gapful number since it is divisible by the number (14) 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 1345849344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2457655200).

1345849344 is an abundant number, since it is smaller than the sum of its proper divisors (3569461056).

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

1345849344 is an equidigital number, since it uses as much as digits as its factorization.

1345849344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 92 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The square root of 1345849344 is about 36685.8193856972. The cubic root of 1345849344 is about 1104.0756091884.

The spelling of 1345849344 in words is "one billion, three hundred forty-five million, eight hundred forty-nine thousand, three hundred forty-four".