3870245101145 has 4 divisors (see below), whose sum is σ = 4644294121380. Its totient is φ = 3096196080912.

The previous prime is 3870245101141. The next prime is 3870245101147. The reversal of 3870245101145 is 5411015420783.

3870245101145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1341216455881 + 2529028645264 = 1158109^2 + 1590292^2 .

It is a cyclic number.

It is not a de Polignac number, because 3870245101145 - 2² = 3870245101141 is a prime.

It is a super-2 number, since 2×3870245101145² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3870245101141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387024510110 + ... + 387024510119.

It is an arithmetic number, because the mean of its divisors is an integer number (1161073530345).

Almost surely, 2^{3870245101145} is an apocalyptic number.

It is an amenable number.

3870245101145 is a deficient number, since it is larger than the sum of its proper divisors (774049020235).

3870245101145 is an equidigital number, since it uses as much as digits as its factorization.

3870245101145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774049020234.

The product of its (nonzero) digits is 134400, while the sum is 41.

The spelling of 3870245101145 in words is "three trillion, eight hundred seventy billion, two hundred forty-five million, one hundred one thousand, one hundred forty-five".