45102530 has 64 divisors (see below), whose sum is σ = 95178240. Its totient is φ = 15206400.

The previous prime is 45102529. The next prime is 45102557. The reversal of 45102530 is 3520154.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166295 + ... + 166565.

It is an arithmetic number, because the mean of its divisors is an integer number (1487160).

Almost surely, 2^45102530 is an apocalyptic number.

45102530 is an abundant number, since it is smaller than the sum of its proper divisors (50075710).

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

45102530 is a wasteful number, since it uses less digits than its factorization.

45102530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 45102530 is about 6715.8417193975. The cubic root of 45102530 is about 355.9592650020.

Adding to 45102530 its reverse (3520154), we get a palindrome (48622684).

The spelling of 45102530 in words is "forty-five million, one hundred two thousand, five hundred thirty".