3144552021 has 24 divisors (see below), whose sum is σ = 4916391480. Its totient is φ = 1925271936.

The previous prime is 3144552011. The next prime is 3144552029. The reversal of 3144552021 is 1202554413.

3144552021 is a `hidden beast` number, since 3 + 1 + 4 + 455 + 202 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1096536996 + 2048015025 = 33114^2 + 45255^2 .

It is not a de Polignac number, because 3144552021 - 2¹¹ = 3144549973 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3144552029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45166 + ... + 91263.

It is an arithmetic number, because the mean of its divisors is an integer number (204849645).

Almost surely, 2^3144552021 is an apocalyptic number.

It is an amenable number.

3144552021 is a deficient number, since it is larger than the sum of its proper divisors (1771839459).

3144552021 is a wasteful number, since it uses less digits than its factorization.

3144552021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136645 (or 136642 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 3144552021 is about 56076.3053437011. The cubic root of 3144552021 is about 1465.0516230882.

The spelling of 3144552021 in words is "three billion, one hundred forty-four million, five hundred fifty-two thousand, twenty-one".