2047743145 has 32 divisors (see below), whose sum is σ = 2974003200. Its totient is φ = 1322225856.

The previous prime is 2047743127. The next prime is 2047743169. The reversal of 2047743145 is 5413477402.

It is a de Polignac number, because none of the positive numbers 2^k-2047743145 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101836 + ... + 120274.

It is an arithmetic number, because the mean of its divisors is an integer number (92937600).

Almost surely, 2^2047743145 is an apocalyptic number.

It is an amenable number.

2047743145 is a deficient number, since it is larger than the sum of its proper divisors (926260055).

2047743145 is a wasteful number, since it uses less digits than its factorization.

2047743145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18637.

The product of its (nonzero) digits is 94080, while the sum is 37.

The square root of 2047743145 is about 45251.9960333243. The cubic root of 2047743145 is about 1269.8677492641.

The spelling of 2047743145 in words is "two billion, forty-seven million, seven hundred forty-three thousand, one hundred forty-five".