2745999146 has 16 divisors (see below), whose sum is σ = 4518285408. Its totient is φ = 1241283600.

The previous prime is 2745999143. The next prime is 2745999167. The reversal of 2745999146 is 6419995472.

It is a super-2 number, since 2×2745999146² = 15081022619665458632, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2745999091 and 2745999100.

It is not an unprimeable number, because it can be changed into a prime (2745999143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340820 + ... + 348783.

It is an arithmetic number, because the mean of its divisors is an integer number (282392838).

Almost surely, 2^2745999146 is an apocalyptic number.

2745999146 is a deficient number, since it is larger than the sum of its proper divisors (1772286262).

2745999146 is a wasteful number, since it uses less digits than its factorization.

2745999146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689797.

The product of its digits is 4898880, while the sum is 56.

The square root of 2745999146 is about 52402.2818777961. The cubic root of 2745999146 is about 1400.3399082828.

The spelling of 2745999146 in words is "two billion, seven hundred forty-five million, nine hundred ninety-nine thousand, one hundred forty-six".