38750145418645 has 4 divisors (see below), whose sum is σ = 46500174502380. Its totient is φ = 31000116334912.

The previous prime is 38750145418643. The next prime is 38750145418679. The reversal of 38750145418645 is 54681454105783.

38750145418645 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 27842866369956 + 10907279048689 = 5276634^2 + 3302617^2 .

It is a cyclic number.

It is not a de Polignac number, because 38750145418645 - 2¹ = 38750145418643 is a prime.

It is a super-2 number, since 2×38750145418645² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38750145418643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3875014541860 + ... + 3875014541869.

It is an arithmetic number, because the mean of its divisors is an integer number (11625043625595).

Almost surely, 2^{38750145418645} is an apocalyptic number.

It is an amenable number.

38750145418645 is a deficient number, since it is larger than the sum of its proper divisors (7750029083735).

38750145418645 is an equidigital number, since it uses as much as digits as its factorization.

38750145418645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7750029083734.

The product of its (nonzero) digits is 64512000, while the sum is 61.

The spelling of 38750145418645 in words is "thirty-eight trillion, seven hundred fifty billion, one hundred forty-five million, four hundred eighteen thousand, six hundred forty-five".