2745903045 has 32 divisors (see below), whose sum is σ = 4513501440. Its totient is φ = 1424668160.

The previous prime is 2745903031. The next prime is 2745903049. The reversal of 2745903045 is 5403095472.

It is not a de Polignac number, because 2745903045 - 2⁴ = 2745903029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2745902994 and 2745903012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2745903049) 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 31 ways as a sum of consecutive naturals, for example, 214567 + ... + 227003.

It is an arithmetic number, because the mean of its divisors is an integer number (141046920).

Almost surely, 2^2745903045 is an apocalyptic number.

It is an amenable number.

2745903045 is a deficient number, since it is larger than the sum of its proper divisors (1767598395).

2745903045 is a wasteful number, since it uses less digits than its factorization.

2745903045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12845.

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 2745903045 is about 52401.3649154294. The cubic root of 2745903045 is about 1400.3235723180.

The spelling of 2745903045 in words is "two billion, seven hundred forty-five million, nine hundred three thousand, forty-five".