838359750145 has 4 divisors (see below), whose sum is σ = 1006031700180. Its totient is φ = 670687800112.

The previous prime is 838359750139. The next prime is 838359750161. The reversal of 838359750145 is 541057953838.

It is a happy number.

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 203263919104 + 635095831041 = 450848^2 + 796929^2 .

It is a cyclic number.

It is not a de Polignac number, because 838359750145 - 2¹³ = 838359741953 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 838359750145.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83835975010 + ... + 83835975019.

It is an arithmetic number, because the mean of its divisors is an integer number (251507925045).

Almost surely, 2^838359750145 is an apocalyptic number.

It is an amenable number.

838359750145 is a deficient number, since it is larger than the sum of its proper divisors (167671950035).

838359750145 is a wasteful number, since it uses less digits than its factorization.

838359750145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167671950034.

The product of its (nonzero) digits is 18144000, while the sum is 58.

The spelling of 838359750145 in words is "eight hundred thirty-eight billion, three hundred fifty-nine million, seven hundred fifty thousand, one hundred forty-five".