1145242017 has 16 divisors (see below), whose sum is σ = 1698341760. Its totient is φ = 762735600.

The previous prime is 1145242003. The next prime is 1145242027. The reversal of 1145242017 is 7102425411.

1145242017 is a `hidden beast` number, since 1 + 1 + 452 + 4 + 201 + 7 = 666.

It is not a de Polignac number, because 1145242017 - 2⁴ = 1145242001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1145242027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7267 + ... + 48407.

It is an arithmetic number, because the mean of its divisors is an integer number (106146360).

Almost surely, 2^1145242017 is an apocalyptic number.

It is an amenable number.

1145242017 is a deficient number, since it is larger than the sum of its proper divisors (553099743).

1145242017 is a wasteful number, since it uses less digits than its factorization.

1145242017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42181 (or 42175 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 1145242017 is about 33841.4245710786. The cubic root of 1145242017 is about 1046.2426605002.

Adding to 1145242017 its reverse (7102425411), we get a palindrome (8247667428).

The spelling of 1145242017 in words is "one billion, one hundred forty-five million, two hundred forty-two thousand, seventeen".