1345730250 has 64 divisors (see below), whose sum is σ = 3384830592. Its totient is φ = 356096000.

The previous prime is 1345730231. The next prime is 1345730257. The reversal of 1345730250 is 520375431.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1345730257) 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, 91402 + ... + 105098.

It is an arithmetic number, because the mean of its divisors is an integer number (52887978).

Almost surely, 2^1345730250 is an apocalyptic number.

1345730250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1345730250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1692415296).

1345730250 is an abundant number, since it is smaller than the sum of its proper divisors (2039100342).

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

1345730250 is a wasteful number, since it uses less digits than its factorization.

1345730250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13848 (or 13838 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 1345730250 is about 36684.1961885496. The cubic root of 1345730250 is about 1104.0430417345.

The spelling of 1345730250 in words is "one billion, three hundred forty-five million, seven hundred thirty thousand, two hundred fifty".