1345865248 has 192 divisors, whose sum is σ = 3568416768. Its totient is φ = 484392960.

The previous prime is 1345865243. The next prime is 1345865249. The reversal of 1345865248 is 8425685431.

It is a super-2 number, since 2×1345865248² = 3622706531548203008, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1345865198 and 1345865207.

It is not an unprimeable number, because it can be changed into a prime (1345865243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1534186 + ... + 1535062.

It is an arithmetic number, because the mean of its divisors is an integer number (18585504).

Almost surely, 2^1345865248 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 1345865248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1784208384).

1345865248 is an abundant number, since it is smaller than the sum of its proper divisors (2222551520).

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

1345865248 is a wasteful number, since it uses less digits than its factorization.

1345865248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955 (or 947 counting only the distinct ones).

The product of its digits is 921600, while the sum is 46.

The square root of 1345865248 is about 36686.0361445605. The cubic root of 1345865248 is about 1104.0799581520.

The spelling of 1345865248 in words is "one billion, three hundred forty-five million, eight hundred sixty-five thousand, two hundred forty-eight".