1325843145 has 24 divisors (see below), whose sum is σ = 2507049792. Its totient is φ = 642832800.

The previous prime is 1325843131. The next prime is 1325843147. The reversal of 1325843145 is 5413485231.

1325843145 is a `hidden beast` number, since 1 + 3 + 2 + 584 + 31 + 45 = 666.

It is not a de Polignac number, because 1325843145 - 2²⁴ = 1309065929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1325843147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1338741 + ... + 1339730.

It is an arithmetic number, because the mean of its divisors is an integer number (104460408).

Almost surely, 2^1325843145 is an apocalyptic number.

1325843145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1325843145 is a deficient number, since it is larger than the sum of its proper divisors (1181206647).

1325843145 is a wasteful number, since it uses less digits than its factorization.

1325843145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2678493 (or 2678490 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 1325843145 is about 36412.1290918287. The cubic root of 1325843145 is about 1098.5775401334.

The spelling of 1325843145 in words is "one billion, three hundred twenty-five million, eight hundred forty-three thousand, one hundred forty-five".