4145434531 has 4 divisors (see below), whose sum is σ = 4737639472. Its totient is φ = 3553229592.

The previous prime is 4145434457. The next prime is 4145434537. The reversal of 4145434531 is 1354345414.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4145434531 - 2⁹ = 4145434019 is a prime.

It is a super-2 number, since 2×4145434531² = 34369254901614379922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4145434537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296102460 + ... + 296102473.

It is an arithmetic number, because the mean of its divisors is an integer number (1184409868).

Almost surely, 2^4145434531 is an apocalyptic number.

4145434531 is a deficient number, since it is larger than the sum of its proper divisors (592204941).

4145434531 is an equidigital number, since it uses as much as digits as its factorization.

4145434531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592204940.

The product of its digits is 57600, while the sum is 34.

The square root of 4145434531 is about 64385.0489710150. The cubic root of 4145434531 is about 1606.4110649836.

Adding to 4145434531 its reverse (1354345414), we get a palindrome (5499779945).

The spelling of 4145434531 in words is "four billion, one hundred forty-five million, four hundred thirty-four thousand, five hundred thirty-one".