2145160253461 has 16 divisors (see below), whose sum is σ = 2274772930560. Its totient is φ = 2018759886000.

The previous prime is 2145160253429. The next prime is 2145160253479. The reversal of 2145160253461 is 1643520615412.

It is a cyclic number.

It is not a de Polignac number, because 2145160253461 - 2⁵ = 2145160253429 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 (2145160253261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1571665 + ... + 2600086.

It is an arithmetic number, because the mean of its divisors is an integer number (142173308160).

Almost surely, 2^{2145160253461} is an apocalyptic number.

It is an amenable number.

2145160253461 is a deficient number, since it is larger than the sum of its proper divisors (129612677099).

2145160253461 is a wasteful number, since it uses less digits than its factorization.

2145160253461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4172136.

The product of its (nonzero) digits is 172800, while the sum is 40.

Adding to 2145160253461 its reverse (1643520615412), we get a palindrome (3788680868873).

The spelling of 2145160253461 in words is "two trillion, one hundred forty-five billion, one hundred sixty million, two hundred fifty-three thousand, four hundred sixty-one".