2154375162 has 12 divisors (see below), whose sum is σ = 4667812890. Its totient is φ = 718125048.

The previous prime is 2154375149. The next prime is 2154375169. The reversal of 2154375162 is 2615734512.

2154375162 is a `hidden beast` number, since 2 + 1 + 543 + 7 + 51 + 62 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1557012681 + 597362481 = 39459^2 + 24441^2 .

It is not an unprimeable number, because it can be changed into a prime (2154375169) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59843737 + ... + 59843772.

Almost surely, 2^2154375162 is an apocalyptic number.

2154375162 is an abundant number, since it is smaller than the sum of its proper divisors (2513437728).

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

2154375162 is a wasteful number, since it uses less digits than its factorization.

2154375162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119687517 (or 119687514 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 2154375162 is about 46415.2470854136. The cubic root of 2154375162 is about 1291.5377695328.

The spelling of 2154375162 in words is "two billion, one hundred fifty-four million, three hundred seventy-five thousand, one hundred sixty-two".