2152145434 has 8 divisors (see below), whose sum is σ = 3233240640. Its totient is φ = 1074398556.

The previous prime is 2152145417. The next prime is 2152145449. The reversal of 2152145434 is 4345412512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2152145396 and 2152145405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 835474 + ... + 838045.

It is an arithmetic number, because the mean of its divisors is an integer number (404155080).

Almost surely, 2^2152145434 is an apocalyptic number.

2152145434 is a deficient number, since it is larger than the sum of its proper divisors (1081095206).

2152145434 is a wasteful number, since it uses less digits than its factorization.

2152145434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674164.

The product of its digits is 19200, while the sum is 31.

The square root of 2152145434 is about 46391.2215187313. The cubic root of 2152145434 is about 1291.0920452456.

Adding to 2152145434 its reverse (4345412512), we get a palindrome (6497557946).

The spelling of 2152145434 in words is "two billion, one hundred fifty-two million, one hundred forty-five thousand, four hundred thirty-four".