2154405162 has 64 divisors (see below), whose sum is σ = 5403283200. Its totient is φ = 557466624.

The previous prime is 2154405151. The next prime is 2154405163. The reversal of 2154405162 is 2615044512.

It is not an unprimeable number, because it can be changed into a prime (2154405163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8287 + ... + 66162.

It is an arithmetic number, because the mean of its divisors is an integer number (84426300).

Almost surely, 2^2154405162 is an apocalyptic number.

2154405162 is an abundant number, since it is smaller than the sum of its proper divisors (3248878038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2154405162 is a wasteful number, since it uses less digits than its factorization.

2154405162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74527.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 2154405162 is about 46415.5702539568. The cubic root of 2154405162 is about 1291.5437644579.

Adding to 2154405162 its reverse (2615044512), we get a palindrome (4769449674).

The spelling of 2154405162 in words is "two billion, one hundred fifty-four million, four hundred five thousand, one hundred sixty-two".