2145402413 has 32 divisors (see below), whose sum is σ = 2765826048. Its totient is φ = 1615464000.

The previous prime is 2145402401. The next prime is 2145402421. The reversal of 2145402413 is 3142045412.

It is a cyclic number.

It is not a de Polignac number, because 2145402413 - 2³⁰ = 1071660589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145402433) 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 31 ways as a sum of consecutive naturals, for example, 427706 + ... + 432692.

It is an arithmetic number, because the mean of its divisors is an integer number (86432064).

Almost surely, 2^2145402413 is an apocalyptic number.

It is an amenable number.

2145402413 is a deficient number, since it is larger than the sum of its proper divisors (620423635).

2145402413 is a wasteful number, since it uses less digits than its factorization.

2145402413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5193.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 2145402413 is about 46318.4888894273. The cubic root of 2145402413 is about 1289.7422342171.

Adding to 2145402413 its reverse (3142045412), we get a palindrome (5287447825).

The spelling of 2145402413 in words is "two billion, one hundred forty-five million, four hundred two thousand, four hundred thirteen".