45115230 has 64 divisors (see below), whose sum is σ = 112896000. Its totient is φ = 11525760.

The previous prime is 45115219. The next prime is 45115277. The reversal of 45115230 is 3251154.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 45115197 and 45115206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129096 + ... + 129444.

It is an arithmetic number, because the mean of its divisors is an integer number (1764000).

Almost surely, 2^45115230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45115230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56448000).

45115230 is an abundant number, since it is smaller than the sum of its proper divisors (67780770).

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

45115230 is a wasteful number, since it uses less digits than its factorization.

45115230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 45115230 is about 6716.7871784061. The cubic root of 45115230 is about 355.9926722811.

Adding to 45115230 its reverse (3251154), we get a palindrome (48366384).

The spelling of 45115230 in words is "forty-five million, one hundred fifteen thousand, two hundred thirty".