45663780 has 48 divisors (see below), whose sum is σ = 128177280. Its totient is φ = 12146688.

The previous prime is 45663773. The next prime is 45663781. The reversal of 45663780 is 8736654.

It is not an unprimeable number, because it can be changed into a prime (45663781) 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 15 ways as a sum of consecutive naturals, for example, 33961 + ... + 35279.

It is an arithmetic number, because the mean of its divisors is an integer number (2670360).

Almost surely, 2^45663780 is an apocalyptic number.

It is an amenable number.

45663780 is an abundant number, since it is smaller than the sum of its proper divisors (82513500).

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

45663780 is a wasteful number, since it uses less digits than its factorization.

45663780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908 (or 1906 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 45663780 is about 6757.4980577134. The cubic root of 45663780 is about 357.4296860752.

The spelling of 45663780 in words is "forty-five million, six hundred sixty-three thousand, seven hundred eighty".