45242271793 has 8 divisors (see below), whose sum is σ = 45332742312. Its totient is φ = 45151890816.

The previous prime is 45242271749. The next prime is 45242271799. The reversal of 45242271793 is 39717224254.

It can be written as a sum of positive squares in 4 ways, for example, as 24371268769 + 20871003024 = 156113^2 + 144468^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45242271793 - 2¹³ = 45242263601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45242271799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1038771 + ... + 1081447.

It is an arithmetic number, because the mean of its divisors is an integer number (5666592789).

Almost surely, 2^45242271793 is an apocalyptic number.

It is an amenable number.

45242271793 is a deficient number, since it is larger than the sum of its proper divisors (90470519).

45242271793 is a wasteful number, since it uses less digits than its factorization.

45242271793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44771.

The product of its digits is 846720, while the sum is 46.

The spelling of 45242271793 in words is "forty-five billion, two hundred forty-two million, two hundred seventy-one thousand, seven hundred ninety-three".