45186405454878 has 8 divisors (see below), whose sum is σ = 90372810909768. Its totient is φ = 15062135151624.

The previous prime is 45186405454859. The next prime is 45186405454889. The reversal of 45186405454878 is 87845450468154.

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

45186405454878 is an admirable number.

It is a super-2 number, since 2×45186405454878² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3765533787901 + ... + 3765533787912.

It is an arithmetic number, because the mean of its divisors is an integer number (11296601363721).

Almost surely, 2^{45186405454878} is an apocalyptic number.

45186405454878 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45186405454878 is a wasteful number, since it uses less digits than its factorization.

45186405454878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7531067575818.

The product of its (nonzero) digits is 688128000, while the sum is 69.

The spelling of 45186405454878 in words is "forty-five trillion, one hundred eighty-six billion, four hundred five million, four hundred fifty-four thousand, eight hundred seventy-eight".