2757284145 has 240 divisors, whose sum is σ = 6650252928. Its totient is φ = 1077027840.

The previous prime is 2757284099. The next prime is 2757284191. The reversal of 2757284145 is 5414827572.

It is an interprime number because it is at equal distance from previous prime (2757284099) and next prime (2757284191).

It is not a de Polignac number, because 2757284145 - 2⁶ = 2757284081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 2757284145.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 3710644 + ... + 3711386.

Almost surely, 2^2757284145 is an apocalyptic number.

It is an amenable number.

2757284145 is an abundant number, since it is smaller than the sum of its proper divisors (3892968783).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2757284145 is a wasteful number, since it uses less digits than its factorization.

2757284145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802 (or 786 counting only the distinct ones).

The product of its digits is 627200, while the sum is 45.

The square root of 2757284145 is about 52509.8480763371. The cubic root of 2757284145 is about 1402.2555723769.

The spelling of 2757284145 in words is "two billion, seven hundred fifty-seven million, two hundred eighty-four thousand, one hundred forty-five".