1829545745 has 4 divisors (see below), whose sum is σ = 2195454900. Its totient is φ = 1463636592.

The previous prime is 1829545727. The next prime is 1829545859. The reversal of 1829545745 is 5475459281.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 645566464 + 1183979281 = 25408^2 + 34409^2 .

It is a cyclic number.

It is not a de Polignac number, because 1829545745 - 2⁶ = 1829545681 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1829545693 and 1829545702.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182954570 + ... + 182954579.

It is an arithmetic number, because the mean of its divisors is an integer number (548863725).

Almost surely, 2^1829545745 is an apocalyptic number.

It is an amenable number.

1829545745 is a deficient number, since it is larger than the sum of its proper divisors (365909155).

1829545745 is an equidigital number, since it uses as much as digits as its factorization.

1829545745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365909154.

The product of its digits is 2016000, while the sum is 50.

The square root of 1829545745 is about 42773.1895584138. The cubic root of 1829545745 is about 1223.0599851974.

The spelling of 1829545745 in words is "one billion, eight hundred twenty-nine million, five hundred forty-five thousand, seven hundred forty-five".