2152452145 has 32 divisors (see below), whose sum is σ = 2752404480. Its totient is φ = 1611368640.

The previous prime is 2152452143. The next prime is 2152452149. The reversal of 2152452145 is 5412542512.

It is not a de Polignac number, because 2152452145 - 2¹ = 2152452143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2152452143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3347194 + ... + 3347836.

It is an arithmetic number, because the mean of its divisors is an integer number (86012640).

Almost surely, 2^2152452145 is an apocalyptic number.

It is an amenable number.

2152452145 is a deficient number, since it is larger than the sum of its proper divisors (599952335).

2152452145 is a wasteful number, since it uses less digits than its factorization.

2152452145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045.

The product of its digits is 16000, while the sum is 31.

The square root of 2152452145 is about 46394.5271018037. The cubic root of 2152452145 is about 1291.1533752586.

Adding to 2152452145 its reverse (5412542512), we get a palindrome (7564994657).

The spelling of 2152452145 in words is "two billion, one hundred fifty-two million, four hundred fifty-two thousand, one hundred forty-five".