2154250454 has 32 divisors (see below), whose sum is σ = 3353011200. Its totient is φ = 1037352960.

The previous prime is 2154250453. The next prime is 2154250517. The reversal of 2154250454 is 4540524512.

It is a super-2 number, since 2×2154250454² = 9281590037118412232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2154250454.

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2800982 + ... + 2801750.

It is an arithmetic number, because the mean of its divisors is an integer number (104781600).

Almost surely, 2^2154250454 is an apocalyptic number.

2154250454 is a deficient number, since it is larger than the sum of its proper divisors (1198760746).

2154250454 is a wasteful number, since it uses less digits than its factorization.

2154250454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208.

The product of its (nonzero) digits is 32000, while the sum is 32.

The square root of 2154250454 is about 46413.9036712061. The cubic root of 2154250454 is about 1291.5128484323.

Adding to 2154250454 its reverse (4540524512), we get a palindrome (6694774966).

The spelling of 2154250454 in words is "two billion, one hundred fifty-four million, two hundred fifty thousand, four hundred fifty-four".