2145202041 has 8 divisors (see below), whose sum is σ = 2930032224. Its totient is φ = 1395253280.

The previous prime is 2145202039. The next prime is 2145202043. The reversal of 2145202041 is 1402025412.

It is an interprime number because it is at equal distance from previous prime (2145202039) and next prime (2145202043).

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

It is a cyclic number.

It is not a de Polignac number, because 2145202041 - 2¹ = 2145202039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2145201999 and 2145202017.

It is not an unprimeable number, because it can be changed into a prime (2145202043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8720211 + ... + 8720456.

It is an arithmetic number, because the mean of its divisors is an integer number (366254028).

Almost surely, 2^2145202041 is an apocalyptic number.

It is an amenable number.

2145202041 is a deficient number, since it is larger than the sum of its proper divisors (784830183).

2145202041 is a wasteful number, since it uses less digits than its factorization.

2145202041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17440711.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 2145202041 is about 46316.3258581680. The cubic root of 2145202041 is about 1289.7020807125.

Adding to 2145202041 its reverse (1402025412), we get a palindrome (3547227453).

The spelling of 2145202041 in words is "two billion, one hundred forty-five million, two hundred two thousand, forty-one".