2151443105 has 16 divisors (see below), whose sum is σ = 2952561024. Its totient is φ = 1474270080.

The previous prime is 2151443101. The next prime is 2151443111. The reversal of 2151443105 is 5013441512.

It is not a de Polignac number, because 2151443105 - 2² = 2151443101 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2151443101) 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, 33125 + ... + 73485.

It is an arithmetic number, because the mean of its divisors is an integer number (184535064).

Almost surely, 2^2151443105 is an apocalyptic number.

It is an amenable number.

2151443105 is a deficient number, since it is larger than the sum of its proper divisors (801117919).

2151443105 is a wasteful number, since it uses less digits than its factorization.

2151443105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41896.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 2151443105 is about 46383.6512685235. The cubic root of 2151443105 is about 1290.9515854007.

Adding to 2151443105 its reverse (5013441512), we get a palindrome (7164884617).

The spelling of 2151443105 in words is "two billion, one hundred fifty-one million, four hundred forty-three thousand, one hundred five".