3845138345 has 8 divisors (see below), whose sum is σ = 4614520320. Its totient is φ = 3075874480.

The previous prime is 3845138329. The next prime is 3845138347. The reversal of 3845138345 is 5438315483.

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

It is not a de Polignac number, because 3845138345 - 2⁴ = 3845138329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3845138296 and 3845138305.

It is not an unprimeable number, because it can be changed into a prime (3845138347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77126 + ... + 116784.

It is an arithmetic number, because the mean of its divisors is an integer number (576815040).

Almost surely, 2^3845138345 is an apocalyptic number.

It is an amenable number.

3845138345 is a deficient number, since it is larger than the sum of its proper divisors (769381975).

3845138345 is a wasteful number, since it uses less digits than its factorization.

3845138345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59055.

The product of its digits is 691200, while the sum is 44.

The square root of 3845138345 is about 62009.1795220675. The cubic root of 3845138345 is about 1566.6452153141.

It can be divided in two parts, 3845138 and 345, that added together give a palindrome (3845483).

The spelling of 3845138345 in words is "three billion, eight hundred forty-five million, one hundred thirty-eight thousand, three hundred forty-five".