2143551254 has 8 divisors (see below), whose sum is σ = 3462659760. Its totient is φ = 989331336.

The previous prime is 2143551227. The next prime is 2143551257. The reversal of 2143551254 is 4521553412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2143551254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143551257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41222114 + ... + 41222165.

It is an arithmetic number, because the mean of its divisors is an integer number (432832470).

Almost surely, 2^2143551254 is an apocalyptic number.

2143551254 is a deficient number, since it is larger than the sum of its proper divisors (1319108506).

2143551254 is a wasteful number, since it uses less digits than its factorization.

2143551254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82444294.

The product of its digits is 24000, while the sum is 32.

The square root of 2143551254 is about 46298.5016388220. The cubic root of 2143551254 is about 1289.3711764070.

The spelling of 2143551254 in words is "two billion, one hundred forty-three million, five hundred fifty-one thousand, two hundred fifty-four".