45090646 has 8 divisors (see below), whose sum is σ = 67854384. Its totient is φ = 22472520.

The previous prime is 45090641. The next prime is 45090653. The reversal of 45090646 is 64609054.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45090641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35625 + ... + 36868.

It is an arithmetic number, because the mean of its divisors is an integer number (8481798).

Almost surely, 2^45090646 is an apocalyptic number.

45090646 is a deficient number, since it is larger than the sum of its proper divisors (22763738).

45090646 is a wasteful number, since it uses less digits than its factorization.

45090646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72806.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 45090646 is about 6714.9568874268. The cubic root of 45090646 is about 355.9279985262.

The spelling of 45090646 in words is "forty-five million, ninety thousand, six hundred forty-six".