2154012153 has 16 divisors (see below), whose sum is σ = 2994028032. Its totient is φ = 1375920000.

The previous prime is 2154012139. The next prime is 2154012163. The reversal of 2154012153 is 3512104512.

It is a happy number.

2154012153 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2154012153 - 2⁶ = 2154012089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2154012163) 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, 105268 + ... + 124053.

It is an arithmetic number, because the mean of its divisors is an integer number (187126752).

Almost surely, 2^2154012153 is an apocalyptic number.

It is an amenable number.

2154012153 is a deficient number, since it is larger than the sum of its proper divisors (840015879).

2154012153 is a wasteful number, since it uses less digits than its factorization.

2154012153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229456.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 2154012153 is about 46411.3364707374. The cubic root of 2154012153 is about 1291.4652247291.

Adding to 2154012153 its reverse (3512104512), we get a palindrome (5666116665).

The spelling of 2154012153 in words is "two billion, one hundred fifty-four million, twelve thousand, one hundred fifty-three".