45424440231 has 16 divisors (see below), whose sum is σ = 60725702400. Its totient is φ = 30203120448.

The previous prime is 45424440223. The next prime is 45424440293. The reversal of 45424440231 is 13204442454.

It is not a de Polignac number, because 45424440231 - 2³ = 45424440223 is a prime.

It is a super-2 number, since 2×45424440231² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45424440192 and 45424440201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45424440431) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5549700 + ... + 5557878.

It is an arithmetic number, because the mean of its divisors is an integer number (3795356400).

Almost surely, 2^45424440231 is an apocalyptic number.

45424440231 is a deficient number, since it is larger than the sum of its proper divisors (15301262169).

45424440231 is a wasteful number, since it uses less digits than its factorization.

45424440231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12838.

The product of its (nonzero) digits is 61440, while the sum is 33.

Adding to 45424440231 its reverse (13204442454), we get a palindrome (58628882685).

The spelling of 45424440231 in words is "forty-five billion, four hundred twenty-four million, four hundred forty thousand, two hundred thirty-one".