2145352102515 has 24 divisors (see below), whose sum is σ = 3719420647488. Its totient is φ = 1143938453760.

The previous prime is 2145352102501. The next prime is 2145352102549. The reversal of 2145352102515 is 5152012535412.

2145352102515 is a `hidden beast` number, since 2 + 1 + 4 + 5 + 35 + 2 + 102 + 515 = 666.

It is not a de Polignac number, because 2145352102515 - 2⁸ = 2145352102259 is a prime.

It is a super-3 number, since 3×2145352102515³ (a number of 38 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2145352102515.

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, 4985574 + ... + 5398763.

It is an arithmetic number, because the mean of its divisors is an integer number (154975860312).

Almost surely, 2^{2145352102515} is an apocalyptic number.

2145352102515 is a deficient number, since it is larger than the sum of its proper divisors (1574068544973).

2145352102515 is a wasteful number, since it uses less digits than its factorization.

2145352102515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10388939 (or 10388936 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

Adding to 2145352102515 its reverse (5152012535412), we get a palindrome (7297364637927).

The spelling of 2145352102515 in words is "two trillion, one hundred forty-five billion, three hundred fifty-two million, one hundred two thousand, five hundred fifteen".