45078884381 has 16 divisors (see below), whose sum is σ = 46872000000. Its totient is φ = 43302032256.

The previous prime is 45078884363. The next prime is 45078884393. The reversal of 45078884381 is 18348887054.

It is a cyclic number.

It is not a de Polignac number, because 45078884381 - 2²² = 45074690077 is a prime.

It is a super-2 number, since 2×45078884381² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45078884681) 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 15 ways as a sum of consecutive naturals, for example, 9694145 + ... + 9698793.

It is an arithmetic number, because the mean of its divisors is an integer number (2929500000).

Almost surely, 2^45078884381 is an apocalyptic number.

It is an amenable number.

45078884381 is a deficient number, since it is larger than the sum of its proper divisors (1793115619).

45078884381 is a wasteful number, since it uses less digits than its factorization.

45078884381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6316.

The product of its (nonzero) digits is 6881280, while the sum is 56.

It can be divided in two parts, 4507 and 8884381, that added together give a palindrome (8888888).

The spelling of 45078884381 in words is "forty-five billion, seventy-eight million, eight hundred eighty-four thousand, three hundred eighty-one".