45441630 has 48 divisors (see below), whose sum is σ = 127239840. Its totient is φ = 11185344.

The previous prime is 45441619. The next prime is 45441677. The reversal of 45441630 is 3614454.

It is a junction number, because it is equal to n+sod(n) for n = 45441594 and 45441603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18250 + ... + 20589.

It is an arithmetic number, because the mean of its divisors is an integer number (2650830).

Almost surely, 2^45441630 is an apocalyptic number.

45441630 is an abundant number, since it is smaller than the sum of its proper divisors (81798210).

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

45441630 is a wasteful number, since it uses less digits than its factorization.

45441630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38865 (or 38862 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 45441630 is about 6741.0407208383. The cubic root of 45441630 is about 356.8491229781.

The spelling of 45441630 in words is "forty-five million, four hundred forty-one thousand, six hundred thirty".