3885781145 has 8 divisors (see below), whose sum is σ = 4673465856. Its totient is φ = 3101605936.

The previous prime is 3885781117. The next prime is 3885781153. The reversal of 3885781145 is 5411875883.

3885781145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 3885781145 - 2¹⁰ = 3885780121 is a prime.

It is a super-2 number, since 2×3885781145² = 30198590213675022050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3885781093 and 3885781102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 874937 + ... + 879366.

It is an arithmetic number, because the mean of its divisors is an integer number (584183232).

Almost surely, 2^3885781145 is an apocalyptic number.

It is an amenable number.

3885781145 is a deficient number, since it is larger than the sum of its proper divisors (787684711).

3885781145 is a wasteful number, since it uses less digits than its factorization.

3885781145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754751.

The product of its digits is 1075200, while the sum is 50.

The square root of 3885781145 is about 62336.0340814204. The cubic root of 3885781145 is about 1572.1456517671.

The spelling of 3885781145 in words is "three billion, eight hundred eighty-five million, seven hundred eighty-one thousand, one hundred forty-five".