4637231145 has 24 divisors (see below), whose sum is σ = 8111617800. Its totient is φ = 2450497536.

The previous prime is 4637231119. The next prime is 4637231153. The reversal of 4637231145 is 5411327364.

4637231145 is a `hidden beast` number, since 4 + 637 + 2 + 3 + 1 + 14 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2339850384 + 2297380761 = 48372^2 + 47931^2 .

It is not a de Polignac number, because 4637231145 - 2⁷ = 4637231017 is a prime.

It is a super-2 number, since 2×4637231145² = 43007825384316022050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 467800 + ... + 477609.

It is an arithmetic number, because the mean of its divisors is an integer number (337984075).

Almost surely, 2^4637231145 is an apocalyptic number.

4637231145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4637231145 is a deficient number, since it is larger than the sum of its proper divisors (3474386655).

4637231145 is a wasteful number, since it uses less digits than its factorization.

4637231145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945529 (or 945526 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 4637231145 is about 68097.2183352595. The cubic root of 4637231145 is about 1667.5783497206.

The spelling of 4637231145 in words is "four billion, six hundred thirty-seven million, two hundred thirty-one thousand, one hundred forty-five".