2143551042 has 12 divisors (see below), whose sum is σ = 4644360630. Its totient is φ = 714517008.

The previous prime is 2143551031. The next prime is 2143551071. The reversal of 2143551042 is 2401553412.

2143551042 is a `hidden beast` number, since 2 + 143 + 5 + 510 + 4 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1959921441 + 183629601 = 44271^2 + 13551^2 .

It is a super-2 number, since 2×2143551042² = 9189622139318571528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2143550997 and 2143551015.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59543067 + ... + 59543102.

Almost surely, 2^2143551042 is an apocalyptic number.

2143551042 is an abundant number, since it is smaller than the sum of its proper divisors (2500809588).

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

2143551042 is a wasteful number, since it uses less digits than its factorization.

2143551042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119086177 (or 119086174 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 2143551042 is about 46298.4993493310. The cubic root of 2143551042 is about 1289.3711339002.

The spelling of 2143551042 in words is "two billion, one hundred forty-three million, five hundred fifty-one thousand, forty-two".