3865106145 has 32 divisors (see below), whose sum is σ = 6553519488. Its totient is φ = 1938480128.

The previous prime is 3865106131. The next prime is 3865106149. The reversal of 3865106145 is 5416015683.

3865106145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3865106145 - 2⁷ = 3865106017 is a prime.

It is a super-2 number, since 2×3865106145² = 29878091024233522050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3865106149) 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, 327487 + ... + 339083.

It is an arithmetic number, because the mean of its divisors is an integer number (204797484).

Almost surely, 2^3865106145 is an apocalyptic number.

It is an amenable number.

3865106145 is a deficient number, since it is larger than the sum of its proper divisors (2688413343).

3865106145 is a wasteful number, since it uses less digits than its factorization.

3865106145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12929.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 3865106145 is about 62169.9778430072. The cubic root of 3865106145 is about 1569.3523969798.

The spelling of 3865106145 in words is "three billion, eight hundred sixty-five million, one hundred six thousand, one hundred forty-five".