45513630 has 64 divisors (see below), whose sum is σ = 122644800. Its totient is φ = 12009600.

The previous prime is 45513623. The next prime is 45513647. The reversal of 45513630 is 3631554.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 45513594 and 45513603.

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 31 ways as a sum of consecutive naturals, for example, 26436 + ... + 28104.

It is an arithmetic number, because the mean of its divisors is an integer number (1916325).

Almost surely, 2^45513630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45513630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61322400).

45513630 is an abundant number, since it is smaller than the sum of its proper divisors (77131170).

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

45513630 is a wasteful number, since it uses less digits than its factorization.

45513630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1786 (or 1780 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 45513630 is about 6746.3790287828. The cubic root of 45513630 is about 357.0374934141.

The spelling of 45513630 in words is "forty-five million, five hundred thirteen thousand, six hundred thirty".