3857817530145 has 16 divisors (see below), whose sum is σ = 6180928949952. Its totient is φ = 2054695715520.

The previous prime is 3857817530123. The next prime is 3857817530173. The reversal of 3857817530145 is 5410357187583.

It is not a de Polignac number, because 3857817530145 - 2¹⁵ = 3857817497377 is a prime.

It is a Curzon 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, 175424091 + ... + 175446080.

It is an arithmetic number, because the mean of its divisors is an integer number (386308059372).

Almost surely, 2^{3857817530145} is an apocalyptic number.

It is an amenable number.

3857817530145 is a deficient number, since it is larger than the sum of its proper divisors (2323111419807).

3857817530145 is a wasteful number, since it uses less digits than its factorization.

3857817530145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350870912.

The product of its (nonzero) digits is 14112000, while the sum is 57.

The spelling of 3857817530145 in words is "three trillion, eight hundred fifty-seven billion, eight hundred seventeen million, five hundred thirty thousand, one hundred forty-five".