1345921248 has 96 divisors (see below), whose sum is σ = 4068852480. Its totient is φ = 381588480.

The previous prime is 1345921223. The next prime is 1345921261. The reversal of 1345921248 is 8421295431.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80388 + ... + 95676.

It is an arithmetic number, because the mean of its divisors is an integer number (42383880).

Almost surely, 2^1345921248 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 1345921248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2034426240).

1345921248 is an abundant number, since it is smaller than the sum of its proper divisors (2722931232).

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

1345921248 is a wasteful number, since it uses less digits than its factorization.

1345921248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15440 (or 15432 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 1345921248 is about 36686.7993698006. The cubic root of 1345921248 is about 1104.0952711313.

The spelling of 1345921248 in words is "one billion, three hundred forty-five million, nine hundred twenty-one thousand, two hundred forty-eight".