2402001143 has 4 divisors (see below), whose sum is σ = 2402538600. Its totient is φ = 2401463688.

The previous prime is 2402001139. The next prime is 2402001157. The reversal of 2402001143 is 3411002042.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2402001143 - 2² = 2402001139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2402001193) 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, 261968 + ... + 270981.

It is an arithmetic number, because the mean of its divisors is an integer number (600634650).

Almost surely, 2^2402001143 is an apocalyptic number.

2402001143 is a deficient number, since it is larger than the sum of its proper divisors (537457).

2402001143 is an equidigital number, since it uses as much as digits as its factorization.

2402001143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537456.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2402001143 is about 49010.2146802072. The cubic root of 2402001143 is about 1339.2379165260.

Adding to 2402001143 its reverse (3411002042), we get a palindrome (5813003185).

The spelling of 2402001143 in words is "two billion, four hundred two million, one thousand, one hundred forty-three".