2145124241415 has 24 divisors (see below), whose sum is σ = 3718476609120. Its totient is φ = 1143985875264.

The previous prime is 2145124241401. The next prime is 2145124241437. The reversal of 2145124241415 is 5141424215412.

It is a happy number.

2145124241415 is a `hidden beast` number, since 21 + 4 + 512 + 42 + 41 + 41 + 5 = 666.

It is not a de Polignac number, because 2145124241415 - 2¹⁷ = 2145124110343 is a prime.

It is a super-2 number, since 2×2145124241415² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2145124241415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1024395 + ... + 2310764.

It is an arithmetic number, because the mean of its divisors is an integer number (154936525380).

Almost surely, 2^{2145124241415} is an apocalyptic number.

2145124241415 is a deficient number, since it is larger than the sum of its proper divisors (1573352367705).

2145124241415 is a wasteful number, since it uses less digits than its factorization.

2145124241415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3349463 (or 3349460 counting only the distinct ones).

The product of its digits is 51200, while the sum is 36.

Adding to 2145124241415 its reverse (5141424215412), we get a palindrome (7286548456827).

The spelling of 2145124241415 in words is "two trillion, one hundred forty-five billion, one hundred twenty-four million, two hundred forty-one thousand, four hundred fifteen".