4145004531 has 12 divisors (see below), whose sum is σ = 5987912008. Its totient is φ = 2763021024.

The previous prime is 4145004529. The next prime is 4145004533. The reversal of 4145004531 is 1354005414.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4145004529) and next prime (4145004533).

It is not a de Polignac number, because 4145004531 - 2¹ = 4145004529 is a prime.

It is a super-2 number, since 2×4145004531² = 34362125124021059922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4145004495 and 4145004504.

It is not an unprimeable number, because it can be changed into a prime (4145004533) 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, 79296 + ... + 120738.

Almost surely, 2^4145004531 is an apocalyptic number.

4145004531 is a deficient number, since it is larger than the sum of its proper divisors (1842907477).

4145004531 is a wasteful number, since it uses less digits than its factorization.

4145004531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52562 (or 52559 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 4145004531 is about 64381.7095998545. The cubic root of 4145004531 is about 1606.3555194882.

Adding to 4145004531 its reverse (1354005414), we get a palindrome (5499009945).

The spelling of 4145004531 in words is "four billion, one hundred forty-five million, four thousand, five hundred thirty-one".