2045177745 has 16 divisors (see below), whose sum is σ = 3523998912. Its totient is φ = 1006856640.

The previous prime is 2045177713. The next prime is 2045177749. The reversal of 2045177745 is 5477715402.

It is not a de Polignac number, because 2045177745 - 2⁵ = 2045177713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2045177697 and 2045177706.

It is not an unprimeable number, because it can be changed into a prime (2045177749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5243851 + ... + 5244240.

It is an arithmetic number, because the mean of its divisors is an integer number (220249932).

Almost surely, 2^2045177745 is an apocalyptic number.

It is an amenable number.

2045177745 is a deficient number, since it is larger than the sum of its proper divisors (1478821167).

2045177745 is a wasteful number, since it uses less digits than its factorization.

2045177745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10488112.

The product of its (nonzero) digits is 274400, while the sum is 42.

The square root of 2045177745 is about 45223.6414389642. The cubic root of 2045177745 is about 1269.3372334951.

The spelling of 2045177745 in words is "two billion, forty-five million, one hundred seventy-seven thousand, seven hundred forty-five".