45124530 has 96 divisors (see below), whose sum is σ = 123185664. Its totient is φ = 10560000.

The previous prime is 45124517. The next prime is 45124531. The reversal of 45124530 is 3542154.

It is a self number, because there is not a number n which added to its sum of digits gives 45124530.

It is not an unprimeable number, because it can be changed into a prime (45124531) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 112330 + ... + 112730.

It is an arithmetic number, because the mean of its divisors is an integer number (1283184).

Almost surely, 2^45124530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45124530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61592832).

45124530 is an abundant number, since it is smaller than the sum of its proper divisors (78061134).

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

45124530 is a wasteful number, since it uses less digits than its factorization.

45124530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 45124530 is about 6717.4794380035. The cubic root of 45124530 is about 356.0171319029.

Adding to 45124530 its reverse (3542154), we get a palindrome (48666684).

It can be divided in two parts, 45124 and 530, that added together give a palindrome (45654).

The spelling of 45124530 in words is "forty-five million, one hundred twenty-four thousand, five hundred thirty".