45542530 has 64 divisors (see below), whose sum is σ = 95551488. Its totient is φ = 15463360.

The previous prime is 45542527. The next prime is 45542533. The reversal of 45542530 is 3524554.

45542530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (45542527) and next prime (45542533).

It is not an unprimeable number, because it can be changed into a prime (45542533) by changing a digit.

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, 118719 + ... + 119101.

It is an arithmetic number, because the mean of its divisors is an integer number (1492992).

Almost surely, 2^45542530 is an apocalyptic number.

45542530 is an abundant number, since it is smaller than the sum of its proper divisors (50008958).

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

45542530 is a wasteful number, since it uses less digits than its factorization.

45542530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 45542530 is about 6748.5205786157. The cubic root of 45542530 is about 357.1130473405.

The spelling of 45542530 in words is "forty-five million, five hundred forty-two thousand, five hundred thirty".