45661630 has 24 divisors (see below), whose sum is σ = 95610888. Its totient is φ = 15655248.

The previous prime is 45661621. The next prime is 45661691. The reversal of 45661630 is 3616654.

It is a junction number, because it is equal to n+sod(n) for n = 45661592 and 45661601.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46104 + ... + 47083.

It is an arithmetic number, because the mean of its divisors is an integer number (3983787).

Almost surely, 2^45661630 is an apocalyptic number.

45661630 is an abundant number, since it is smaller than the sum of its proper divisors (49949258).

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

45661630 is a wasteful number, since it uses less digits than its factorization.

45661630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93208 (or 93201 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 45661630 is about 6757.3389732941. The cubic root of 45661630 is about 357.4240763346.

The spelling of 45661630 in words is "forty-five million, six hundred sixty-one thousand, six hundred thirty".