45391560 has 64 divisors (see below), whose sum is σ = 136745280. Its totient is φ = 12053760.

The previous prime is 45391559. The next prime is 45391561. The reversal of 45391560 is 6519354.

It is a happy number.

45391560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (45391559) and next prime (45391561).

It is not an unprimeable number, because it can be changed into a prime (45391561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34515 + ... + 35805.

It is an arithmetic number, because the mean of its divisors is an integer number (2136645).

Almost surely, 2^45391560 is an apocalyptic number.

45391560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45391560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68372640).

45391560 is an abundant number, since it is smaller than the sum of its proper divisors (91353720).

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

45391560 is a wasteful number, since it uses less digits than its factorization.

45391560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598 (or 1594 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 45391560 is about 6737.3258790116. The cubic root of 45391560 is about 356.7180097087.

The spelling of 45391560 in words is "forty-five million, three hundred ninety-one thousand, five hundred sixty".