2154154154 has 32 divisors (see below), whose sum is σ = 3344799744. Its totient is φ = 1040008320.

The previous prime is 2154154151. The next prime is 2154154169. The reversal of 2154154154 is 4514514512.

It is a happy number.

It is a super-3 number, since 3×2154154154³ (a number of 29 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2154154154.

It is not an unprimeable number, because it can be changed into a prime (2154154151) 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, 2084822 + ... + 2085854.

It is an arithmetic number, because the mean of its divisors is an integer number (104524992).

Almost surely, 2^2154154154 is an apocalyptic number.

2154154154 is a deficient number, since it is larger than the sum of its proper divisors (1190645590).

2154154154 is a wasteful number, since it uses less digits than its factorization.

2154154154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382.

The product of its digits is 16000, while the sum is 32.

The square root of 2154154154 is about 46412.8662549513. The cubic root of 2154154154 is about 1291.4936036039.

Adding to 2154154154 its reverse (4514514512), we get a palindrome (6668668666).

The spelling of 2154154154 in words is "two billion, one hundred fifty-four million, one hundred fifty-four thousand, one hundred fifty-four".