45190554 has 16 divisors (see below), whose sum is σ = 91314048. Its totient is φ = 14908032.

The previous prime is 45190517. The next prime is 45190559. The reversal of 45190554 is 45509154.

45190554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (45190559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38242 + ... + 39405.

It is an arithmetic number, because the mean of its divisors is an integer number (5707128).

Almost surely, 2^45190554 is an apocalyptic number.

45190554 is an abundant number, since it is smaller than the sum of its proper divisors (46123494).

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

45190554 is a wasteful number, since it uses less digits than its factorization.

45190554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77749.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 45190554 is about 6722.3919850006. The cubic root of 45190554 is about 356.1906828910.

The spelling of 45190554 in words is "forty-five million, one hundred ninety thousand, five hundred fifty-four".