2141505345 has 32 divisors (see below), whose sum is σ = 3980102400. Its totient is φ = 962922240.

The previous prime is 2141505341. The next prime is 2141505347. The reversal of 2141505345 is 5435051412.

It is not a de Polignac number, because 2141505345 - 2² = 2141505341 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2141505341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160770 + ... + 173579.

It is an arithmetic number, because the mean of its divisors is an integer number (124378200).

Almost surely, 2^2141505345 is an apocalyptic number.

It is an amenable number.

2141505345 is a deficient number, since it is larger than the sum of its proper divisors (1838597055).

2141505345 is a wasteful number, since it uses less digits than its factorization.

2141505345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334425.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 2141505345 is about 46276.4015995194. The cubic root of 2141505345 is about 1288.9608330897.

Adding to 2141505345 its reverse (5435051412), we get a palindrome (7576556757).

The spelling of 2141505345 in words is "two billion, one hundred forty-one million, five hundred five thousand, three hundred forty-five".