2154250455 has 96 divisors (see below), whose sum is σ = 4326830784. Its totient is φ = 909103104.

The previous prime is 2154250453. The next prime is 2154250517. The reversal of 2154250455 is 5540524512.

It is not a de Polignac number, because 2154250455 - 2¹ = 2154250453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154250451) 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 95 ways as a sum of consecutive naturals, for example, 660609 + ... + 663861.

It is an arithmetic number, because the mean of its divisors is an integer number (45071154).

Almost surely, 2^2154250455 is an apocalyptic number.

2154250455 is an abundant number, since it is smaller than the sum of its proper divisors (2172580329).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2154250455 is a wasteful number, since it uses less digits than its factorization.

2154250455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3345 (or 3338 counting only the distinct ones).

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

The square root of 2154250455 is about 46413.9036819787. The cubic root of 2154250455 is about 1291.5128486321.

Adding to 2154250455 its reverse (5540524512), we get a palindrome (7694774967).

The spelling of 2154250455 in words is "two billion, one hundred fifty-four million, two hundred fifty thousand, four hundred fifty-five".