2142235455 has 32 divisors (see below), whose sum is σ = 3455682048. Its totient is φ = 1133193600.

The previous prime is 2142235411. The next prime is 2142235457. The reversal of 2142235455 is 5545322412.

It is a happy number.

It is not a de Polignac number, because 2142235455 - 2⁶ = 2142235391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142235457) 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, 1332262 + ... + 1333868.

It is an arithmetic number, because the mean of its divisors is an integer number (107990064).

Almost surely, 2^2142235455 is an apocalyptic number.

2142235455 is a deficient number, since it is larger than the sum of its proper divisors (1313446593).

2142235455 is a wasteful number, since it uses less digits than its factorization.

2142235455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287.

The product of its digits is 48000, while the sum is 33.

The square root of 2142235455 is about 46284.2895051874. The cubic root of 2142235455 is about 1289.1072995721.

Adding to 2142235455 its reverse (5545322412), we get a palindrome (7687557867).

The spelling of 2142235455 in words is "two billion, one hundred forty-two million, two hundred thirty-five thousand, four hundred fifty-five".