2265142545 has 24 divisors (see below), whose sum is σ = 3966731496. Its totient is φ = 1195619328.

The previous prime is 2265142531. The next prime is 2265142547. The reversal of 2265142545 is 5452415622.

2265142545 is a `hidden beast` number, since 2 + 26 + 51 + 42 + 545 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 399680064 + 1865462481 = 19992^2 + 43191^2 .

It is not a de Polignac number, because 2265142545 - 2⁷ = 2265142417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2265142547) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 255102 + ... + 263831.

It is an arithmetic number, because the mean of its divisors is an integer number (165280479).

Almost surely, 2^2265142545 is an apocalyptic number.

It is an amenable number.

2265142545 is a deficient number, since it is larger than the sum of its proper divisors (1701588951).

2265142545 is a wasteful number, since it uses less digits than its factorization.

2265142545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519041 (or 519038 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

The square root of 2265142545 is about 47593.5136862157. The cubic root of 2265142545 is about 1313.3037341124.

The spelling of 2265142545 in words is "two billion, two hundred sixty-five million, one hundred forty-two thousand, five hundred forty-five".