4146397145 has 12 divisors (see below), whose sum is σ = 5469132900. Its totient is φ = 3015561120.

The previous prime is 4146397127. The next prime is 4146397147. The reversal of 4146397145 is 5417936414.

It can be written as a sum of positive squares in 2 ways, for example, as 1189974016 + 2956423129 = 34496^2 + 54373^2 .

It is not a de Polignac number, because 4146397145 - 2²⁰ = 4145348569 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4146397096 and 4146397105.

It is not an unprimeable number, because it can be changed into a prime (4146397147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3426170 + ... + 3427379.

It is an arithmetic number, because the mean of its divisors is an integer number (455761075).

Almost surely, 2^4146397145 is an apocalyptic number.

It is an amenable number.

4146397145 is a deficient number, since it is larger than the sum of its proper divisors (1322735755).

4146397145 is a wasteful number, since it uses less digits than its factorization.

4146397145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6853576 (or 6853565 counting only the distinct ones).

The product of its digits is 362880, while the sum is 44.

The square root of 4146397145 is about 64392.5239837669. The cubic root of 4146397145 is about 1606.5353972734.

The spelling of 4146397145 in words is "four billion, one hundred forty-six million, three hundred ninety-seven thousand, one hundred forty-five".