2154255454 has 32 divisors (see below), whose sum is σ = 3669442560. Its totient is φ = 940312800.

The previous prime is 2154255451. The next prime is 2154255457. The reversal of 2154255454 is 4545524512.

It is an interprime number because it is at equal distance from previous prime (2154255451) and next prime (2154255457).

It is a super-2 number, since 2×2154255454² = 9281633122177492232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154255451) 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, 308259 + ... + 315169.

It is an arithmetic number, because the mean of its divisors is an integer number (114670080).

Almost surely, 2^2154255454 is an apocalyptic number.

2154255454 is a deficient number, since it is larger than the sum of its proper divisors (1515187106).

2154255454 is a wasteful number, since it uses less digits than its factorization.

2154255454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7576.

The product of its digits is 160000, while the sum is 37.

The square root of 2154255454 is about 46413.9575343452. The cubic root of 2154255454 is about 1291.5138476289.

Adding to 2154255454 its reverse (4545524512), we get a palindrome (6699779966).

The spelling of 2154255454 in words is "two billion, one hundred fifty-four million, two hundred fifty-five thousand, four hundred fifty-four".