2143350154 has 32 divisors (see below), whose sum is σ = 3669105600. Its totient is φ = 930061440.

The previous prime is 2143350149. The next prime is 2143350161. The reversal of 2143350154 is 4510533412.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37909 + ... + 75655.

It is an arithmetic number, because the mean of its divisors is an integer number (114659550).

Almost surely, 2^2143350154 is an apocalyptic number.

2143350154 is a deficient number, since it is larger than the sum of its proper divisors (1525755446).

2143350154 is a wasteful number, since it uses less digits than its factorization.

2143350154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37878.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2143350154 is about 46296.3298113360. The cubic root of 2143350154 is about 1289.3308538112.

Adding to 2143350154 its reverse (4510533412), we get a palindrome (6653883566).

The spelling of 2143350154 in words is "two billion, one hundred forty-three million, three hundred fifty thousand, one hundred fifty-four".