1145457417 has 8 divisors (see below), whose sum is σ = 1644759424. Its totient is φ = 704896848.

The previous prime is 1145457407. The next prime is 1145457421. The reversal of 1145457417 is 7147545411.

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

It is not a de Polignac number, because 1145457417 - 2⁷ = 1145457289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 29370703 = 1145457417 / (1 + 1 + 4 + 5 + 4 + 5 + 7 + 4 + 1 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145457407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14685313 + ... + 14685390.

It is an arithmetic number, because the mean of its divisors is an integer number (205594928).

Almost surely, 2^1145457417 is an apocalyptic number.

It is an amenable number.

1145457417 is a deficient number, since it is larger than the sum of its proper divisors (499302007).

1145457417 is a wasteful number, since it uses less digits than its factorization.

1145457417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29370719.

The product of its digits is 78400, while the sum is 39.

The square root of 1145457417 is about 33844.6069115893. The cubic root of 1145457417 is about 1046.3082497056.

The spelling of 1145457417 in words is "one billion, one hundred forty-five million, four hundred fifty-seven thousand, four hundred seventeen".