45133530 has 32 divisors (see below), whose sum is σ = 116653824. Its totient is φ = 11109696.

The previous prime is 45133523. The next prime is 45133573. The reversal of 45133530 is 3533154.

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 45133530.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57474 + ... + 58253.

It is an arithmetic number, because the mean of its divisors is an integer number (3645432).

Almost surely, 2^45133530 is an apocalyptic number.

45133530 is an abundant number, since it is smaller than the sum of its proper divisors (71520294).

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

45133530 is a wasteful number, since it uses less digits than its factorization.

45133530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115750.

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

The square root of 45133530 is about 6718.1492987280. The cubic root of 45133530 is about 356.0407993050.

Adding to 45133530 its reverse (3533154), we get a palindrome (48666684).

The spelling of 45133530 in words is "forty-five million, one hundred thirty-three thousand, five hundred thirty".