45221443445 has 32 divisors (see below), whose sum is σ = 57341481984. Its totient is φ = 34168780800.

The previous prime is 45221443313. The next prime is 45221443447. The reversal of 45221443445 is 54434412254.

45221443445 = T₂₄₁ + T₂₄₂ + ... + T₆₄₇₃.

It is not a de Polignac number, because 45221443445 - 2¹⁴ = 45221427061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45221443399 and 45221443408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45221443447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3515225 + ... + 3528065.

It is an arithmetic number, because the mean of its divisors is an integer number (1791921312).

Almost surely, 2^45221443445 is an apocalyptic number.

It is an amenable number.

45221443445 is a deficient number, since it is larger than the sum of its proper divisors (12120038539).

45221443445 is a wasteful number, since it uses less digits than its factorization.

45221443445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13253.

The product of its digits is 307200, while the sum is 38.

Adding to 45221443445 its reverse (54434412254), we get a palindrome (99655855699).

The spelling of 45221443445 in words is "forty-five billion, two hundred twenty-one million, four hundred forty-three thousand, four hundred forty-five".