2154514455 has 12 divisors (see below), whose sum is σ = 3734491800. Its totient is φ = 1149074352.

The previous prime is 2154514423. The next prime is 2154514469. The reversal of 2154514455 is 5544154512.

2154514455 is a `hidden beast` number, since 2 + 154 + 51 + 4 + 455 = 666.

It is not a de Polignac number, because 2154514455 - 2⁵ = 2154514423 is a prime.

It is a super-3 number, since 3×2154514455³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23939005 + ... + 23939094.

It is an arithmetic number, because the mean of its divisors is an integer number (311207650).

Almost surely, 2^2154514455 is an apocalyptic number.

2154514455 is a deficient number, since it is larger than the sum of its proper divisors (1579977345).

2154514455 is a wasteful number, since it uses less digits than its factorization.

2154514455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47878110 (or 47878107 counting only the distinct ones).

The product of its digits is 80000, while the sum is 36.

The square root of 2154514455 is about 46416.7475702467. The cubic root of 2154514455 is about 1291.5656040989.

Adding to 2154514455 its reverse (5544154512), we get a palindrome (7698668967).

The spelling of 2154514455 in words is "two billion, one hundred fifty-four million, five hundred fourteen thousand, four hundred fifty-five".