2750145 has 8 divisors (see below), whose sum is σ = 4400256. Its totient is φ = 1466736.

The previous prime is 2750131. The next prime is 2750159. The reversal of 2750145 is 5410572.

It is an interprime number because it is at equal distance from previous prime (2750131) and next prime (2750159).

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

It is a de Polignac number, because none of the positive numbers 2^k-2750145 is a prime.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91657 + ... + 91686.

It is an arithmetic number, because the mean of its divisors is an integer number (550032).

2^2750145 is an apocalyptic number.

It is an amenable number.

2750145 is a deficient number, since it is larger than the sum of its proper divisors (1650111).

2750145 is a wasteful number, since it uses less digits than its factorization.

2750145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183351.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 2750145 is about 1658.3561137464. The cubic root of 2750145 is about 140.1044288877.

The spelling of 2750145 in words is "two million, seven hundred fifty thousand, one hundred forty-five".