1745242117 has 8 divisors (see below), whose sum is σ = 1887221376. Its totient is φ = 1607631552.

The previous prime is 1745242087. The next prime is 1745242133. The reversal of 1745242117 is 7112425471.

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 1745242117 - 2¹⁹ = 1744717829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1745242157) 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, 1091343 + ... + 1092940.

It is an arithmetic number, because the mean of its divisors is an integer number (235902672).

Almost surely, 2^1745242117 is an apocalyptic number.

1745242117 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1745242117 is a deficient number, since it is larger than the sum of its proper divisors (141979259).

1745242117 is a wasteful number, since it uses less digits than its factorization.

1745242117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2184347.

The product of its digits is 15680, while the sum is 34.

The square root of 1745242117 is about 41776.0950425001. The cubic root of 1745242117 is about 1203.9780289530.

Adding to 1745242117 its reverse (7112425471), we get a palindrome (8857667588).

The spelling of 1745242117 in words is "one billion, seven hundred forty-five million, two hundred forty-two thousand, one hundred seventeen".