2888270145 has 12 divisors (see below), whose sum is σ = 5006334996. Its totient is φ = 1540410720.

The previous prime is 2888270141. The next prime is 2888270171. The reversal of 2888270145 is 5410728882.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1107092529 + 1781177616 = 33273^2 + 42204^2 .

It is not a de Polignac number, because 2888270145 - 2² = 2888270141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 64183781 = 2888270145 / (2 + 8 + 8 + 8 + 2 + 7 + 0 + 1 + 4 + 5).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2888270145.

It is not an unprimeable number, because it can be changed into a prime (2888270141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32091846 + ... + 32091935.

It is an arithmetic number, because the mean of its divisors is an integer number (417194583).

Almost surely, 2^2888270145 is an apocalyptic number.

It is an amenable number.

2888270145 is a deficient number, since it is larger than the sum of its proper divisors (2118064851).

2888270145 is a wasteful number, since it uses less digits than its factorization.

2888270145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64183792 (or 64183789 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 45.

The square root of 2888270145 is about 53742.6287503691. The cubic root of 2888270145 is about 1424.1178732501.

The spelling of 2888270145 in words is "two billion, eight hundred eighty-eight million, two hundred seventy thousand, one hundred forty-five".