2151345234 has 8 divisors (see below), whose sum is σ = 4302690480. Its totient is φ = 717115076.

The previous prime is 2151345233. The next prime is 2151345263. The reversal of 2151345234 is 4325431512.

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

2151345234 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2151345233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179278764 + ... + 179278775.

It is an arithmetic number, because the mean of its divisors is an integer number (537836310).

Almost surely, 2^2151345234 is an apocalyptic number.

2151345234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2151345234 is a wasteful number, since it uses less digits than its factorization.

2151345234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358557544.

The product of its digits is 14400, while the sum is 30.

The square root of 2151345234 is about 46382.5962404003. The cubic root of 2151345234 is about 1290.9320096040.

Adding to 2151345234 its reverse (4325431512), we get a palindrome (6476776746).

The spelling of 2151345234 in words is "two billion, one hundred fifty-one million, three hundred forty-five thousand, two hundred thirty-four".