2745043156 has 12 divisors (see below), whose sum is σ = 4804264192. Its totient is φ = 1372396248.

The previous prime is 2745043139. The next prime is 2745043157. The reversal of 2745043156 is 6513405472.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2745043157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32311 + ... + 80833.

Almost surely, 2^2745043156 is an apocalyptic number.

It is an amenable number.

2745043156 is a deficient number, since it is larger than the sum of its proper divisors (2059221036).

2745043156 is a wasteful number, since it uses less digits than its factorization.

2745043156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62670 (or 62668 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 2745043156 is about 52393.1594389955. The cubic root of 2745043156 is about 1400.1773850067.

The spelling of 2745043156 in words is "two billion, seven hundred forty-five million, forty-three thousand, one hundred fifty-six".