2154254112 has 144 divisors (see below), whose sum is σ = 6304858560. Its totient is φ = 697422336.

The previous prime is 2154254111. The next prime is 2154254131. The reversal of 2154254112 is 2114524512.

It is a happy number.

2154254112 is a `hidden beast` number, since 2 + 1 + 542 + 5 + 4 + 112 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (2154254111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1632589 + ... + 1633907.

It is an arithmetic number, because the mean of its divisors is an integer number (43783740).

Almost surely, 2^2154254112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2154254112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3152429280).

2154254112 is an abundant number, since it is smaller than the sum of its proper divisors (4150604448).

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

2154254112 is a wasteful number, since it uses less digits than its factorization.

2154254112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495 (or 1484 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 2154254112 is about 46413.9430774848. The cubic root of 2154254112 is about 1291.5135794446.

Adding to 2154254112 its reverse (2114524512), we get a palindrome (4268778624).

The spelling of 2154254112 in words is "two billion, one hundred fifty-four million, two hundred fifty-four thousand, one hundred twelve".