2045154215 has 8 divisors (see below), whose sum is σ = 2642968608. Its totient is φ = 1510267680.

The previous prime is 2045154191. The next prime is 2045154217. The reversal of 2045154215 is 5124515402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2045154215 - 2¹⁰ = 2045153191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045154217) 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 7 ways as a sum of consecutive naturals, for example, 15731891 + ... + 15732020.

It is an arithmetic number, because the mean of its divisors is an integer number (330371076).

Almost surely, 2^2045154215 is an apocalyptic number.

2045154215 is a deficient number, since it is larger than the sum of its proper divisors (597814393).

2045154215 is a wasteful number, since it uses less digits than its factorization.

2045154215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31463929.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 2045154215 is about 45223.3812866751. The cubic root of 2045154215 is about 1269.3323655205.

Adding to 2045154215 its reverse (5124515402), we get a palindrome (7169669617).

The spelling of 2045154215 in words is "two billion, forty-five million, one hundred fifty-four thousand, two hundred fifteen".