2045154011 has 4 divisors (see below), whose sum is σ = 2045926392. Its totient is φ = 2044381632.

The previous prime is 2045153987. The next prime is 2045154031. The reversal of 2045154011 is 1104515402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2045154011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2045154031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382205 + ... + 387518.

It is an arithmetic number, because the mean of its divisors is an integer number (511481598).

Almost surely, 2^2045154011 is an apocalyptic number.

2045154011 is a deficient number, since it is larger than the sum of its proper divisors (772381).

2045154011 is an equidigital number, since it uses as much as digits as its factorization.

2045154011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772380.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 2045154011 is about 45223.3790312046. The cubic root of 2045154011 is about 1269.3323233161.

Adding to 2045154011 its reverse (1104515402), we get a palindrome (3149669413).

It can be divided in two parts, 204515401 and 1, that added together give a palindrome (204515402).

The spelling of 2045154011 in words is "two billion, forty-five million, one hundred fifty-four thousand, eleven".