45642830 has 32 divisors (see below), whose sum is σ = 84870720. Its totient is φ = 17660160.

The previous prime is 45642829. The next prime is 45642851. The reversal of 45642830 is 3824654.

45642830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 103751 + ... + 104189.

It is an arithmetic number, because the mean of its divisors is an integer number (2652210).

Almost surely, 2^45642830 is an apocalyptic number.

45642830 is a deficient number, since it is larger than the sum of its proper divisors (39227890).

45642830 is a wasteful number, since it uses less digits than its factorization.

45642830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 45642830 is about 6755.9477499460. The cubic root of 45642830 is about 357.3750162153.

The spelling of 45642830 in words is "forty-five million, six hundred forty-two thousand, eight hundred thirty".