2040131545 has 16 divisors (see below), whose sum is σ = 2541127680. Its totient is φ = 1570708800.

The previous prime is 2040131543. The next prime is 2040131549. The reversal of 2040131545 is 5451310402.

It is a happy number.

It is not a de Polignac number, because 2040131545 - 2¹ = 2040131543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2040131543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8305 + ... + 64414.

It is an arithmetic number, because the mean of its divisors is an integer number (158820480).

Almost surely, 2^2040131545 is an apocalyptic number.

It is an amenable number.

2040131545 is a deficient number, since it is larger than the sum of its proper divisors (500996135).

2040131545 is a wasteful number, since it uses less digits than its factorization.

2040131545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72936.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2040131545 is about 45167.8153666967. The cubic root of 2040131545 is about 1268.2924009385.

Adding to 2040131545 its reverse (5451310402), we get a palindrome (7491441947).

The spelling of 2040131545 in words is "two billion, forty million, one hundred thirty-one thousand, five hundred forty-five".