2145363525 has 144 divisors (see below), whose sum is σ = 4248870912. Its totient is φ = 1031184000.

The previous prime is 2145363503. The next prime is 2145363529. The reversal of 2145363525 is 5253635412.

2145363525 is a `hidden beast` number, since 2 + 14 + 5 + 3 + 635 + 2 + 5 = 666.

It is not a de Polignac number, because 2145363525 - 2⁶ = 2145363461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2145363525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145363529) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 6898120 + ... + 6898430.

It is an arithmetic number, because the mean of its divisors is an integer number (29506048).

Almost surely, 2^2145363525 is an apocalyptic number.

2145363525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2145363525 is a deficient number, since it is larger than the sum of its proper divisors (2103507387).

2145363525 is a wasteful number, since it uses less digits than its factorization.

2145363525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424 (or 416 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 2145363525 is about 46318.0690983551. The cubic root of 2145363525 is about 1289.7344414601.

Adding to 2145363525 its reverse (5253635412), we get a palindrome (7398998937).

The spelling of 2145363525 in words is "two billion, one hundred forty-five million, three hundred sixty-three thousand, five hundred twenty-five".