45111320 has 32 divisors (see below), whose sum is σ = 106844400. Its totient is φ = 17094528.

The previous prime is 45111317. The next prime is 45111323. The reversal of 45111320 is 2311154.

It is an interprime number because it is at equal distance from previous prime (45111317) and next prime (45111323).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45111323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28919 + ... + 30438.

Almost surely, 2^45111320 is an apocalyptic number.

45111320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45111320 is an abundant number, since it is smaller than the sum of its proper divisors (61733080).

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

45111320 is a wasteful number, since it uses less digits than its factorization.

45111320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59387 (or 59383 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 45111320 is about 6716.4961103242. The cubic root of 45111320 is about 355.9823877160.

Adding to 45111320 its reverse (2311154), we get a palindrome (47422474).

The spelling of 45111320 in words is "forty-five million, one hundred eleven thousand, three hundred twenty".