45313530 has 32 divisors (see below), whose sum is σ = 111694464. Its totient is φ = 11756736.

The previous prime is 45313523. The next prime is 45313547. The reversal of 45313530 is 3531354.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 45313530.

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 15 ways as a sum of consecutive naturals, for example, 19302 + ... + 21521.

It is an arithmetic number, because the mean of its divisors is an integer number (3490452).

Almost surely, 2^45313530 is an apocalyptic number.

45313530 is an abundant number, since it is smaller than the sum of its proper divisors (66380934).

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

45313530 is a wasteful number, since it uses less digits than its factorization.

45313530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40870.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 45313530 is about 6731.5325149627. The cubic root of 45313530 is about 356.5134880515.

Adding to 45313530 its reverse (3531354), we get a palindrome (48844884).

The spelling of 45313530 in words is "forty-five million, three hundred thirteen thousand, five hundred thirty".