45191654 has 4 divisors (see below), whose sum is σ = 67787484. Its totient is φ = 22595826.

The previous prime is 45191647. The next prime is 45191659. The reversal of 45191654 is 45619154.

45191654 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45191659) 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 as a sum of consecutive naturals, namely, 11297912 + ... + 11297915.

It is an arithmetic number, because the mean of its divisors is an integer number (16946871).

Almost surely, 2^45191654 is an apocalyptic number.

45191654 is a deficient number, since it is larger than the sum of its proper divisors (22595830).

45191654 is a wasteful number, since it uses less digits than its factorization.

45191654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22595829.

The product of its digits is 21600, while the sum is 35.

The square root of 45191654 is about 6722.4738006183. The cubic root of 45191654 is about 356.1935729240.

The spelling of 45191654 in words is "forty-five million, one hundred ninety-one thousand, six hundred fifty-four".