2045145525 has 12 divisors (see below), whose sum is σ = 3381307392. Its totient is φ = 1090744240.

The previous prime is 2045145523. The next prime is 2045145551. The reversal of 2045145525 is 5255415402.

It is not a de Polignac number, because 2045145525 - 2¹ = 2045145523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045145523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13634229 + ... + 13634378.

It is an arithmetic number, because the mean of its divisors is an integer number (281775616).

Almost surely, 2^2045145525 is an apocalyptic number.

2045145525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2045145525 is a deficient number, since it is larger than the sum of its proper divisors (1336161867).

2045145525 is a wasteful number, since it uses less digits than its factorization.

2045145525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27268620 (or 27268615 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 33.

The square root of 2045145525 is about 45223.2852079545. The cubic root of 2045145525 is about 1269.3305676913.

The spelling of 2045145525 in words is "two billion, forty-five million, one hundred forty-five thousand, five hundred twenty-five".