45213030 has 96 divisors (see below), whose sum is σ = 128887200. Its totient is φ = 10945536.

The previous prime is 45213029. The next prime is 45213053. The reversal of 45213030 is 3031254.

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

It is a junction number, because it is equal to n+sod(n) for n = 45212994 and 45213012.

It is a congruent number.

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, 43861 + ... + 44879.

It is an arithmetic number, because the mean of its divisors is an integer number (1342575).

Almost surely, 2^45213030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45213030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64443600).

45213030 is an abundant number, since it is smaller than the sum of its proper divisors (83674170).

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

45213030 is a wasteful number, since it uses less digits than its factorization.

45213030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078 (or 1075 counting only the distinct ones).

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

The square root of 45213030 is about 6724.0635035669. The cubic root of 45213030 is about 356.2497248382.

Adding to 45213030 its reverse (3031254), we get a palindrome (48244284).

The spelling of 45213030 in words is "forty-five million, two hundred thirteen thousand, thirty".