45591340 has 12 divisors (see below), whose sum is σ = 95741856. Its totient is φ = 18236528.

The previous prime is 45591323. The next prime is 45591341. The reversal of 45591340 is 4319554.

It is not an unprimeable number, because it can be changed into a prime (45591341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1139764 + ... + 1139803.

It is an arithmetic number, because the mean of its divisors is an integer number (7978488).

Almost surely, 2^45591340 is an apocalyptic number.

It is an amenable number.

45591340 is an abundant number, since it is smaller than the sum of its proper divisors (50150516).

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

45591340 is a wasteful number, since it uses less digits than its factorization.

45591340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2279576 (or 2279574 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 45591340 is about 6752.1359583468. The cubic root of 45591340 is about 357.2405798869.

The spelling of 45591340 in words is "forty-five million, five hundred ninety-one thousand, three hundred forty".