2145624245715 has 16 divisors (see below), whose sum is σ = 3480026175648. Its totient is φ = 1128657136896.

The previous prime is 2145624245693. The next prime is 2145624245717. The reversal of 2145624245715 is 5175424265412.

It is not a de Polignac number, because 2145624245715 - 2⁵ = 2145624245683 is a prime.

It is a super-2 number, since 2×2145624245715² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2145624245717) 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 15 ways as a sum of consecutive naturals, for example, 979736004 + ... + 979738193.

It is an arithmetic number, because the mean of its divisors is an integer number (217501635978).

Almost surely, 2^{2145624245715} is an apocalyptic number.

2145624245715 is a deficient number, since it is larger than the sum of its proper divisors (1334401929933).

2145624245715 is a wasteful number, since it uses less digits than its factorization.

2145624245715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1959474278.

The product of its digits is 2688000, while the sum is 48.

The spelling of 2145624245715 in words is "two trillion, one hundred forty-five billion, six hundred twenty-four million, two hundred forty-five thousand, seven hundred fifteen".