2545143065 has 8 divisors (see below), whose sum is σ = 3062681280. Its totient is φ = 2030441392.

The previous prime is 2545143023. The next prime is 2545143067. The reversal of 2545143065 is 5603415452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2545143065 - 2¹⁶ = 2545077529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2545143067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 707159 + ... + 710748.

It is an arithmetic number, because the mean of its divisors is an integer number (382835160).

Almost surely, 2^2545143065 is an apocalyptic number.

It is an amenable number.

2545143065 is a deficient number, since it is larger than the sum of its proper divisors (517538215).

2545143065 is a wasteful number, since it uses less digits than its factorization.

2545143065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1418271.

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 2545143065 is about 50449.4109479982. The cubic root of 2545143065 is about 1365.3292670857.

The spelling of 2545143065 in words is "two billion, five hundred forty-five million, one hundred forty-three thousand, sixty-five".