45111330 has 160 divisors (see below), whose sum is σ = 136116288. Its totient is φ = 10627200.

The previous prime is 45111329. The next prime is 45111359. The reversal of 45111330 is 3311154.

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 79 ways as a sum of consecutive naturals, for example, 543469 + ... + 543551.

Almost surely, 2^45111330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45111330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68058144).

45111330 is an abundant number, since it is smaller than the sum of its proper divisors (91004958).

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

45111330 is a wasteful number, since it uses less digits than its factorization.

45111330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 45111330 is about 6716.4968547599. The cubic root of 45111330 is about 355.9824140200.

Adding to 45111330 its reverse (3311154), we get a palindrome (48422484).

It can be divided in two parts, 451 and 11330, that added together give a triangular number (11781 = T₁₅₃).

The spelling of 45111330 in words is "forty-five million, one hundred eleven thousand, three hundred thirty".