4155252452 has 12 divisors (see below), whose sum is σ = 7831052796. Its totient is φ = 1917808800.

The previous prime is 4155252433. The next prime is 4155252463. The reversal of 4155252452 is 2542525514.

It can be written as a sum of positive squares in 2 ways, for example, as 2664211456 + 1491040996 = 51616^2 + 38614^2 .

It is a super-2 number, since 2×4155252452² = 34532245879704024608, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39954299 + ... + 39954402.

It is an arithmetic number, because the mean of its divisors is an integer number (652587733).

Almost surely, 2^4155252452 is an apocalyptic number.

It is an amenable number.

4155252452 is a deficient number, since it is larger than the sum of its proper divisors (3675800344).

4155252452 is a wasteful number, since it uses less digits than its factorization.

4155252452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79908718 (or 79908716 counting only the distinct ones).

The product of its digits is 80000, while the sum is 35.

The square root of 4155252452 is about 64461.2476764141. The cubic root of 4155252452 is about 1607.6782568113.

Adding to 4155252452 its reverse (2542525514), we get a palindrome (6697777966).

The spelling of 4155252452 in words is "four billion, one hundred fifty-five million, two hundred fifty-two thousand, four hundred fifty-two".