4140145515 has 32 divisors (see below), whose sum is σ = 7249761792. Its totient is φ = 2000864000.

The previous prime is 4140145459. The next prime is 4140145547. The reversal of 4140145515 is 5155410414.

It is not a de Polignac number, because 4140145515 - 2¹⁵ = 4140112747 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10975 + ... + 91655.

It is an arithmetic number, because the mean of its divisors is an integer number (226555056).

Almost surely, 2^4140145515 is an apocalyptic number.

4140145515 is a deficient number, since it is larger than the sum of its proper divisors (3109616277).

4140145515 is a wasteful number, since it uses less digits than its factorization.

4140145515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81011.

The product of its (nonzero) digits is 8000, while the sum is 30.

The square root of 4140145515 is about 64343.9625372886. The cubic root of 4140145515 is about 1605.7275861896.

Adding to 4140145515 its reverse (5155410414), we get a palindrome (9295555929).

The spelling of 4140145515 in words is "four billion, one hundred forty million, one hundred forty-five thousand, five hundred fifteen".