1345345352 has 64 divisors (see below), whose sum is σ = 2764608000. Its totient is φ = 610032384.

The previous prime is 1345345349. The next prime is 1345345367. The reversal of 1345345352 is 2535435431.

It is a happy number.

It is a super-2 number, since 2×1345345352² = 3619908232296007808, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3064349 + ... + 3064787.

It is an arithmetic number, because the mean of its divisors is an integer number (43197000).

Almost surely, 2^1345345352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1345345352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1382304000).

1345345352 is an abundant number, since it is smaller than the sum of its proper divisors (1419262648).

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

1345345352 is a wasteful number, since it uses less digits than its factorization.

1345345352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910 (or 906 counting only the distinct ones).

The product of its digits is 108000, while the sum is 35.

The square root of 1345345352 is about 36678.9497123350. The cubic root of 1345345352 is about 1103.9377743581.

The spelling of 1345345352 in words is "one billion, three hundred forty-five million, three hundred forty-five thousand, three hundred fifty-two".