4145517533 has 4 divisors (see below), whose sum is σ = 4147445148. Its totient is φ = 4143589920.

The previous prime is 4145517511. The next prime is 4145517553. The reversal of 4145517533 is 3357155414.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3357155414 = 2 ⋅1678577707.

It can be written as a sum of positive squares in 2 ways, for example, as 244515769 + 3901001764 = 15637^2 + 62458^2 .

It is a cyclic number.

It is not a de Polignac number, because 4145517533 - 2¹⁶ = 4145451997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4145517553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 960578 + ... + 964883.

It is an arithmetic number, because the mean of its divisors is an integer number (1036861287).

Almost surely, 2^4145517533 is an apocalyptic number.

It is an amenable number.

4145517533 is a deficient number, since it is larger than the sum of its proper divisors (1927615).

4145517533 is a wasteful number, since it uses less digits than its factorization.

4145517533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1927614.

The product of its digits is 126000, while the sum is 38.

The square root of 4145517533 is about 64385.6935428982. The cubic root of 4145517533 is about 1606.4217863720.

The spelling of 4145517533 in words is "four billion, one hundred forty-five million, five hundred seventeen thousand, five hundred thirty-three".