2132154455 has 4 divisors (see below), whose sum is σ = 2558585352. Its totient is φ = 1705723560.

The previous prime is 2132154419. The next prime is 2132154461. The reversal of 2132154455 is 5544512312.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2132154455 - 2¹² = 2132150359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213215441 + ... + 213215450.

It is an arithmetic number, because the mean of its divisors is an integer number (639646338).

Almost surely, 2^2132154455 is an apocalyptic number.

2132154455 is a deficient number, since it is larger than the sum of its proper divisors (426430897).

2132154455 is an equidigital number, since it uses as much as digits as its factorization.

2132154455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426430896.

The product of its digits is 24000, while the sum is 32.

The square root of 2132154455 is about 46175.2580393440. The cubic root of 2132154455 is about 1287.0820119250.

Adding to 2132154455 its reverse (5544512312), we get a palindrome (7676666767).

The spelling of 2132154455 in words is "two billion, one hundred thirty-two million, one hundred fifty-four thousand, four hundred fifty-five".