3818745145 has 8 divisors (see below), whose sum is σ = 4584000960. Its totient is φ = 3053991600.

The previous prime is 3818745127. The next prime is 3818745167. The reversal of 3818745145 is 5415478183.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3818745145 - 2³¹ = 1671261497 is a prime.

It is a super-2 number, since 2×3818745145² = 29165628964922142050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3818745095 and 3818745104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108631 + ... + 139420.

It is an arithmetic number, because the mean of its divisors is an integer number (573000120).

Almost surely, 2^3818745145 is an apocalyptic number.

It is an amenable number.

3818745145 is a deficient number, since it is larger than the sum of its proper divisors (765255815).

3818745145 is a wasteful number, since it uses less digits than its factorization.

3818745145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251135.

The product of its digits is 537600, while the sum is 46.

The square root of 3818745145 is about 61795.9961890736. The cubic root of 3818745145 is about 1563.0524750946.

The spelling of 3818745145 in words is "three billion, eight hundred eighteen million, seven hundred forty-five thousand, one hundred forty-five".