1345572448 has 24 divisors (see below), whose sum is σ = 2889923400. Its totient is φ = 611623680.

The previous prime is 1345572443. The next prime is 1345572461. The reversal of 1345572448 is 8442755431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345572443) 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 3 ways as a sum of consecutive naturals, for example, 1910973 + ... + 1911676.

It is an arithmetic number, because the mean of its divisors is an integer number (120413475).

Almost surely, 2^1345572448 is an apocalyptic number.

It is an amenable number.

1345572448 is an abundant number, since it is smaller than the sum of its proper divisors (1544350952).

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

1345572448 is a wasteful number, since it uses less digits than its factorization.

1345572448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3822670 (or 3822662 counting only the distinct ones).

The product of its digits is 537600, while the sum is 43.

The square root of 1345572448 is about 36682.0453082976. The cubic root of 1345572448 is about 1103.9998862284. Note that the first 3 decimals are identical.

The spelling of 1345572448 in words is "one billion, three hundred forty-five million, five hundred seventy-two thousand, four hundred forty-eight".