45277530 has 64 divisors (see below), whose sum is σ = 112565376. Its totient is φ = 11648000.

The previous prime is 45277523. The next prime is 45277543. The reversal of 45277530 is 3577254.

45277530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 45277491 and 45277500.

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 31 ways as a sum of consecutive naturals, for example, 160990 + ... + 161270.

It is an arithmetic number, because the mean of its divisors is an integer number (1758834).

Almost surely, 2^45277530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45277530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56282688).

45277530 is an abundant number, since it is smaller than the sum of its proper divisors (67287846).

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

45277530 is a wasteful number, since it uses less digits than its factorization.

45277530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463.

The product of its (nonzero) digits is 29400, while the sum is 33.

The square root of 45277530 is about 6728.8580011767. The cubic root of 45277530 is about 356.4190505776.

The spelling of 45277530 in words is "forty-five million, two hundred seventy-seven thousand, five hundred thirty".