45491347 has 8 divisors (see below), whose sum is σ = 50683392. Its totient is φ = 40475400.

The previous prime is 45491323. The next prime is 45491357. The reversal of 45491347 is 74319454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45491347 - 2⁷ = 45491219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45491357) 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, 43479 + ... + 44512.

It is an arithmetic number, because the mean of its divisors is an integer number (6335424).

Almost surely, 2^45491347 is an apocalyptic number.

45491347 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

45491347 is a deficient number, since it is larger than the sum of its proper divisors (5192045).

45491347 is a wasteful number, since it uses less digits than its factorization.

45491347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88049.

The product of its digits is 60480, while the sum is 37.

The square root of 45491347 is about 6744.7273480846. The cubic root of 45491347 is about 356.9792166210.

The spelling of 45491347 in words is "forty-five million, four hundred ninety-one thousand, three hundred forty-seven".