2154354312 has 32 divisors (see below), whose sum is σ = 5875512480. Its totient is φ = 652834560.

The previous prime is 2154354289. The next prime is 2154354347. The reversal of 2154354312 is 2134534512.

It is a self number, because there is not a number n which added to its sum of digits gives 2154354312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4079953 + ... + 4080480.

It is an arithmetic number, because the mean of its divisors is an integer number (183609765).

Almost surely, 2^2154354312 is an apocalyptic number.

2154354312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2154354312 is an abundant number, since it is smaller than the sum of its proper divisors (3721158168).

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

2154354312 is a wasteful number, since it uses less digits than its factorization.

2154354312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8160453 (or 8160449 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 2154354312 is about 46415.0224819508. The cubic root of 2154354312 is about 1291.5336030271.

Adding to 2154354312 its reverse (2134534512), we get a palindrome (4288888824).

It can be divided in two parts, 21543 and 54312, that added together give a triangular number (75855 = T₃₈₉).

The spelling of 2154354312 in words is "two billion, one hundred fifty-four million, three hundred fifty-four thousand, three hundred twelve".