45243721232547 has 16 divisors (see below), whose sum is σ = 60505136555520. Its totient is φ = 30072526536672.

The previous prime is 45243721232543. The next prime is 45243721232551. The reversal of 45243721232547 is 74523212734254.

It is an interprime number because it is at equal distance from previous prime (45243721232543) and next prime (45243721232551).

It is not a de Polignac number, because 45243721232547 - 2² = 45243721232543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45243721232547.

It is not an unprimeable number, because it can be changed into a prime (45243721232543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15286683 + ... + 18004724.

It is an arithmetic number, because the mean of its divisors is an integer number (3781571034720).

Almost surely, 2^{45243721232547} is an apocalyptic number.

45243721232547 is a deficient number, since it is larger than the sum of its proper divisors (15261415322973).

45243721232547 is a wasteful number, since it uses less digits than its factorization.

45243721232547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33292762.

The product of its digits is 11289600, while the sum is 51.

The spelling of 45243721232547 in words is "forty-five trillion, two hundred forty-three billion, seven hundred twenty-one million, two hundred thirty-two thousand, five hundred forty-seven".