45120702427 has 4 divisors (see below), whose sum is σ = 45144949696. Its totient is φ = 45096455160.

The previous prime is 45120702401. The next prime is 45120702437. The reversal of 45120702427 is 72420702154.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72420702154 = 2 ⋅36210351077.

It is a cyclic number.

It is not a de Polignac number, because 45120702427 - 2¹¹ = 45120700379 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45120702392 and 45120702401.

It is not an unprimeable number, because it can be changed into a prime (45120702437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12120843 + ... + 12124564.

It is an arithmetic number, because the mean of its divisors is an integer number (11286237424).

Almost surely, 2^45120702427 is an apocalyptic number.

45120702427 is a deficient number, since it is larger than the sum of its proper divisors (24247269).

45120702427 is a wasteful number, since it uses less digits than its factorization.

45120702427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24247268.

The product of its (nonzero) digits is 31360, while the sum is 34.

The spelling of 45120702427 in words is "forty-five billion, one hundred twenty million, seven hundred two thousand, four hundred twenty-seven".