2142045555 has 16 divisors (see below), whose sum is σ = 3690909600. Its totient is φ = 1054545408.

The previous prime is 2142045547. The next prime is 2142045557. The reversal of 2142045555 is 5555402412.

It is not a de Polignac number, because 2142045555 - 2³ = 2142045547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2142045557) 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 15 ways as a sum of consecutive naturals, for example, 5492230 + ... + 5492619.

It is an arithmetic number, because the mean of its divisors is an integer number (230681850).

Almost surely, 2^2142045555 is an apocalyptic number.

2142045555 is a deficient number, since it is larger than the sum of its proper divisors (1548864045).

2142045555 is a wasteful number, since it uses less digits than its factorization.

2142045555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10984870.

The product of its (nonzero) digits is 40000, while the sum is 33.

The square root of 2142045555 is about 46282.2380076850. The cubic root of 2142045555 is about 1289.0692071658.

Adding to 2142045555 its reverse (5555402412), we get a palindrome (7697447967).

The spelling of 2142045555 in words is "two billion, one hundred forty-two million, forty-five thousand, five hundred fifty-five".