45032130 has 96 divisors (see below), whose sum is σ = 137592000. Its totient is φ = 10074240.

The previous prime is 45032129. The next prime is 45032149. The reversal of 45032130 is 3123054.

45032130 is a `hidden beast` number, since 450 + 3 + 213 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11121 + ... + 14619.

It is an arithmetic number, because the mean of its divisors is an integer number (1433250).

Almost surely, 2^45032130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45032130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68796000).

45032130 is an abundant number, since it is smaller than the sum of its proper divisors (92559870).

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

45032130 is a wasteful number, since it uses less digits than its factorization.

45032130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3536 (or 3533 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 45032130 is about 6710.5983339789. The cubic root of 45032130 is about 355.7739643700.

Adding to 45032130 its reverse (3123054), we get a palindrome (48155184).

The spelling of 45032130 in words is "forty-five million, thirty-two thousand, one hundred thirty".