3842157445445 has 16 divisors (see below), whose sum is σ = 5248417444992. Its totient is φ = 2672805178560.

The previous prime is 3842157445439. The next prime is 3842157445457. The reversal of 3842157445445 is 5445447512483.

It is not a de Polignac number, because 3842157445445 - 2¹⁸ = 3842157183301 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1518638042 + ... + 1518640571.

It is an arithmetic number, because the mean of its divisors is an integer number (328026090312).

Almost surely, 2^{3842157445445} is an apocalyptic number.

It is an amenable number.

3842157445445 is a deficient number, since it is larger than the sum of its proper divisors (1406259999547).

3842157445445 is a wasteful number, since it uses less digits than its factorization.

3842157445445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3037278652.

The product of its digits is 43008000, while the sum is 56.

The spelling of 3842157445445 in words is "three trillion, eight hundred forty-two billion, one hundred fifty-seven million, four hundred forty-five thousand, four hundred forty-five".