45450342231 has 64 divisors (see below), whose sum is σ = 74845928448. Its totient is φ = 23940753408.

The previous prime is 45450342221. The next prime is 45450342269. The reversal of 45450342231 is 13224305454.

It is not a de Polignac number, because 45450342231 - 2¹¹ = 45450340183 is a prime.

It is a super-2 number, since 2×45450342231² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45450342192 and 45450342201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45450342211) 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 63 ways as a sum of consecutive naturals, for example, 12921285 + ... + 12924801.

It is an arithmetic number, because the mean of its divisors is an integer number (1169467632).

Almost surely, 2^45450342231 is an apocalyptic number.

45450342231 is a deficient number, since it is larger than the sum of its proper divisors (29395586217).

45450342231 is a wasteful number, since it uses less digits than its factorization.

45450342231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4280.

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 45450342231 its reverse (13224305454), we get a palindrome (58674647685).

The spelling of 45450342231 in words is "forty-five billion, four hundred fifty million, three hundred forty-two thousand, two hundred thirty-one".