45045556 has 12 divisors (see below), whose sum is σ = 80166240. Its totient is φ = 22140920.

The previous prime is 45045547. The next prime is 45045557. The reversal of 45045556 is 65554054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45045557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95200 + ... + 95671.

It is an arithmetic number, because the mean of its divisors is an integer number (6680520).

Almost surely, 2^45045556 is an apocalyptic number.

It is an amenable number.

45045556 is a deficient number, since it is larger than the sum of its proper divisors (35120684).

45045556 is a wasteful number, since it uses less digits than its factorization.

45045556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190934 (or 190932 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 34.

The square root of 45045556 is about 6711.5986173191. The cubic root of 45045556 is about 355.8093179913.

The spelling of 45045556 in words is "forty-five million, forty-five thousand, five hundred fifty-six".