2154145411 has 8 divisors (see below), whose sum is σ = 2366884800. Its totient is φ = 1944224040.

The previous prime is 2154145373. The next prime is 2154145417. The reversal of 2154145411 is 1145414512.

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

It is not a de Polignac number, because 2154145411 - 2¹¹ = 2154143363 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2154145411.

It is not an unprimeable number, because it can be changed into a prime (2154145417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 702901 + ... + 705958.

It is an arithmetic number, because the mean of its divisors is an integer number (295860600).

Almost surely, 2^2154145411 is an apocalyptic number.

2154145411 is a deficient number, since it is larger than the sum of its proper divisors (212739389).

2154145411 is a wasteful number, since it uses less digits than its factorization.

2154145411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409009.

The product of its digits is 3200, while the sum is 28.

The square root of 2154145411 is about 46412.7720676109. The cubic root of 2154145411 is about 1291.4918563529.

Adding to 2154145411 its reverse (1145414512), we get a palindrome (3299559923).

The spelling of 2154145411 in words is "two billion, one hundred fifty-four million, one hundred forty-five thousand, four hundred eleven".