45541878 has 32 divisors (see below), whose sum is σ = 96751584. Its totient is φ = 14241792.

The previous prime is 45541829. The next prime is 45541889. The reversal of 45541878 is 87814554.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46126 + ... + 47102.

It is an arithmetic number, because the mean of its divisors is an integer number (3023487).

Almost surely, 2^45541878 is an apocalyptic number.

45541878 is an abundant number, since it is smaller than the sum of its proper divisors (51209706).

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

45541878 is a wasteful number, since it uses less digits than its factorization.

45541878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456.

The product of its digits is 179200, while the sum is 42.

The square root of 45541878 is about 6748.4722715589. The cubic root of 45541878 is about 357.1113431546. Note that the first 3 decimals are identical.

The spelling of 45541878 in words is "forty-five million, five hundred forty-one thousand, eight hundred seventy-eight".