4551045231 has 32 divisors (see below), whose sum is σ = 6500113920. Its totient is φ = 2822306816.

The previous prime is 4551045227. The next prime is 4551045253. The reversal of 4551045231 is 1325401554.

It is not a de Polignac number, because 4551045231 - 2² = 4551045227 is a prime.

It is a super-2 number, since 2×4551045231² = 41424025389215686722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4551045211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3530035 + ... + 3531323.

It is an arithmetic number, because the mean of its divisors is an integer number (203128560).

Almost surely, 2^4551045231 is an apocalyptic number.

4551045231 is a deficient number, since it is larger than the sum of its proper divisors (1949068689).

4551045231 is a wasteful number, since it uses less digits than its factorization.

4551045231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2063.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 4551045231 is about 67461.4351388999. The cubic root of 4551045231 is about 1657.1826735213.

Adding to 4551045231 its reverse (1325401554), we get a palindrome (5876446785).

The spelling of 4551045231 in words is "four billion, five hundred fifty-one million, forty-five thousand, two hundred thirty-one".