1345572408 has 64 divisors (see below), whose sum is σ = 3436012800. Its totient is φ = 438981120.

The previous prime is 1345572407. The next prime is 1345572443. The reversal of 1345572408 is 8042755431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345572407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 339285 + ... + 343227.

It is an arithmetic number, because the mean of its divisors is an integer number (53687700).

Almost surely, 2^1345572408 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 1345572408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1718006400).

1345572408 is an abundant number, since it is smaller than the sum of its proper divisors (2090440392).

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

1345572408 is a wasteful number, since it uses less digits than its factorization.

1345572408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4252 (or 4248 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 1345572408 is about 36682.0447630718. The cubic root of 1345572408 is about 1103.9998752888. Note that the first 3 decimals are identical.

The spelling of 1345572408 in words is "one billion, three hundred forty-five million, five hundred seventy-two thousand, four hundred eight".