45544646 has 16 divisors (see below), whose sum is σ = 81471744. Its totient is φ = 18670344.

The previous prime is 45544621. The next prime is 45544651. The reversal of 45544646 is 64644554.

45544646 is a modest number, since divided by 4646 gives 4554 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70400 + ... + 71043.

It is an arithmetic number, because the mean of its divisors is an integer number (5091984).

Almost surely, 2^45544646 is an apocalyptic number.

45544646 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

45544646 is a deficient number, since it is larger than the sum of its proper divisors (35927098).

45544646 is a wasteful number, since it uses less digits than its factorization.

45544646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141475.

The product of its digits is 230400, while the sum is 38.

The square root of 45544646 is about 6748.6773518964. The cubic root of 45544646 is about 357.1185779914.

The spelling of 45544646 in words is "forty-five million, five hundred forty-four thousand, six hundred forty-six".