45377225732644 has 81 divisors (see below), whose sum is σ = 86916659452371. Its totient is φ = 20719664110080.

The previous prime is 45377225732639. The next prime is 45377225732647. The reversal of 45377225732644 is 44623752277354.

The square root of 45377225732644 is 6736262.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 8290587318244 + 37086638414400 = 2879338^2 + 6089880^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45377225732647) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 16988851429 + ... + 16988854099.

Almost surely, 2^{45377225732644} is an apocalyptic number.

45377225732644 is the 6736262-nd square number.

It is an amenable number.

45377225732644 is a deficient number, since it is larger than the sum of its proper divisors (41539433719727).

45377225732644 is an frugal number, since it uses more digits than its factorization.

45377225732644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5566 (or 2783 counting only the distinct ones).

The product of its digits is 237081600, while the sum is 61.

The spelling of 45377225732644 in words is "forty-five trillion, three hundred seventy-seven billion, two hundred twenty-five million, seven hundred thirty-two thousand, six hundred forty-four".