2154143310 has 64 divisors (see below), whose sum is σ = 5666851584. Its totient is φ = 519724800.

The previous prime is 2154143309. The next prime is 2154143333. The reversal of 2154143310 is 133414512.

It is a happy number.

It is a super-2 number, since 2×2154143310² = 9280666800035512200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54162 + ... + 85098.

It is an arithmetic number, because the mean of its divisors is an integer number (88544556).

Almost surely, 2^2154143310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2154143310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2833425792).

2154143310 is an abundant number, since it is smaller than the sum of its proper divisors (3512708274).

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

2154143310 is a wasteful number, since it uses less digits than its factorization.

2154143310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31169.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2154143310 is about 46412.7494337493. The cubic root of 2154143310 is about 1291.4914364764.

Adding to 2154143310 its reverse (133414512), we get a palindrome (2287557822).

The spelling of 2154143310 in words is "two billion, one hundred fifty-four million, one hundred forty-three thousand, three hundred ten".