45221230045 has 4 divisors (see below), whose sum is σ = 54265476060. Its totient is φ = 36176984032.

The previous prime is 45221230039. The next prime is 45221230073. The reversal of 45221230045 is 54003212254.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34091191044 + 11130039001 = 184638^2 + 105499^2 .

It is a cyclic number.

It is not a de Polignac number, because 45221230045 - 2⁷ = 45221229917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45221229995 and 45221230022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4522123000 + ... + 4522123009.

It is an arithmetic number, because the mean of its divisors is an integer number (13566369015).

Almost surely, 2^45221230045 is an apocalyptic number.

It is an amenable number.

45221230045 is a deficient number, since it is larger than the sum of its proper divisors (9044246015).

45221230045 is an equidigital number, since it uses as much as digits as its factorization.

45221230045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9044246014.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 45221230045 its reverse (54003212254), we get a palindrome (99224442299).

The spelling of 45221230045 in words is "forty-five billion, two hundred twenty-one million, two hundred thirty thousand, forty-five".