4145140531 has 32 divisors (see below), whose sum is σ = 4984962048. Its totient is φ = 3373332480.

The previous prime is 4145140511. The next prime is 4145140579. The reversal of 4145140531 is 1350415414.

It is a de Polignac number, because none of the positive numbers 2^k-4145140531 is a prime.

It is a super-2 number, since 2×4145140531² = 34364380043477923922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4145140531.

It is not an unprimeable number, because it can be changed into a prime (4145140511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1558755 + ... + 1561411.

It is an arithmetic number, because the mean of its divisors is an integer number (155780064).

Almost surely, 2^4145140531 is an apocalyptic number.

4145140531 is a deficient number, since it is larger than the sum of its proper divisors (839821517).

4145140531 is a wasteful number, since it uses less digits than its factorization.

4145140531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2851.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 4145140531 is about 64382.7657917862. The cubic root of 4145140531 is about 1606.3730877812.

Adding to 4145140531 its reverse (1350415414), we get a palindrome (5495555945).

The spelling of 4145140531 in words is "four billion, one hundred forty-five million, one hundred forty thousand, five hundred thirty-one".