2154012154 has 8 divisors (see below), whose sum is σ = 3692592288. Its totient is φ = 923148060.

The previous prime is 2154012139. The next prime is 2154012163. The reversal of 2154012154 is 4512104512.

2154012154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76928992 + ... + 76929019.

It is an arithmetic number, because the mean of its divisors is an integer number (461574036).

Almost surely, 2^2154012154 is an apocalyptic number.

2154012154 is a deficient number, since it is larger than the sum of its proper divisors (1538580134).

2154012154 is a wasteful number, since it uses less digits than its factorization.

2154012154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153858020.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 2154012154 is about 46411.3364815106. The cubic root of 2154012154 is about 1291.4652249290.

Adding to 2154012154 its reverse (4512104512), we get a palindrome (6666116666).

The spelling of 2154012154 in words is "two billion, one hundred fifty-four million, twelve thousand, one hundred fifty-four".