2152341545 has 4 divisors (see below), whose sum is σ = 2582809860. Its totient is φ = 1721873232.

The previous prime is 2152341509. The next prime is 2152341553. The reversal of 2152341545 is 5451432512.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1595523136 + 556818409 = 39944^2 + 23597^2 .

It is a cyclic number.

It is not a de Polignac number, because 2152341545 - 2¹² = 2152337449 is a prime.

It is a Curzon number.

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, 215234150 + ... + 215234159.

It is an arithmetic number, because the mean of its divisors is an integer number (645702465).

Almost surely, 2^2152341545 is an apocalyptic number.

It is an amenable number.

2152341545 is a deficient number, since it is larger than the sum of its proper divisors (430468315).

2152341545 is an equidigital number, since it uses as much as digits as its factorization.

2152341545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430468314.

The product of its digits is 24000, while the sum is 32.

The square root of 2152341545 is about 46393.3351355558. The cubic root of 2152341545 is about 1291.1312603249.

The spelling of 2152341545 in words is "two billion, one hundred fifty-two million, three hundred forty-one thousand, five hundred forty-five".