1345454080 has 72 divisors (see below), whose sum is σ = 3230650332. Its totient is φ = 537919488.

The previous prime is 1345454063. The next prime is 1345454119. The reversal of 1345454080 is 804545431.

It can be written as a sum of positive squares in 2 ways, for example, as 1340145664 + 5308416 = 36608^2 + 2304^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 654334 + ... + 656386.

Almost surely, 2^1345454080 is an apocalyptic number.

1345454080 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 1345454080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1615325166).

1345454080 is an abundant number, since it is smaller than the sum of its proper divisors (1885196252).

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

1345454080 is an frugal number, since it uses more digits than its factorization.

1345454080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2092 (or 2060 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 1345454080 is about 36680.4318404241. The cubic root of 1345454080 is about 1103.9675128716.

The spelling of 1345454080 in words is "one billion, three hundred forty-five million, four hundred fifty-four thousand, eighty".