2152144455 has 16 divisors (see below), whose sum is σ = 3448034304. Its totient is φ = 1146276000.

The previous prime is 2152144451. The next prime is 2152144483. The reversal of 2152144455 is 5544412512.

It is a happy number.

It is not a de Polignac number, because 2152144455 - 2² = 2152144451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152144451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84259 + ... + 106788.

It is an arithmetic number, because the mean of its divisors is an integer number (215502144).

Almost surely, 2^2152144455 is an apocalyptic number.

2152144455 is a deficient number, since it is larger than the sum of its proper divisors (1295889849).

2152144455 is a wasteful number, since it uses less digits than its factorization.

2152144455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191806.

The product of its digits is 32000, while the sum is 33.

The square root of 2152144455 is about 46391.2109671649. The cubic root of 2152144455 is about 1291.0918494752.

Adding to 2152144455 its reverse (5544412512), we get a palindrome (7696556967).

The spelling of 2152144455 in words is "two billion, one hundred fifty-two million, one hundred forty-four thousand, four hundred fifty-five".