17240045 has 16 divisors (see below), whose sum is σ = 21178800. Its totient is φ = 13469184.

The previous prime is 17240029. The next prime is 17240051. The reversal of 17240045 is 54004271.

It can be written as a sum of positive squares in 8 ways, for example, as 4380649 + 12859396 = 2093^2 + 3586^2 .

It is a cyclic number.

It is not a de Polignac number, because 17240045 - 2⁴ = 17240029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 17240045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54227 + ... + 54543.

It is an arithmetic number, because the mean of its divisors is an integer number (1323675).

Almost surely, 2^17240045 is an apocalyptic number.

It is an amenable number.

17240045 is a deficient number, since it is larger than the sum of its proper divisors (3938755).

17240045 is a wasteful number, since it uses less digits than its factorization.

17240045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 17240045 is about 4152.1133173361. The cubic root of 17240045 is about 258.3327487558.

The spelling of 17240045 in words is "seventeen million, two hundred forty thousand, forty-five".