168743245 has 32 divisors (see below), whose sum is σ = 226800000. Its totient is φ = 119489280.

The previous prime is 168743213. The next prime is 168743251. The reversal of 168743245 is 542347861.

168743245 = 100² + 101² + ... + 797².

It is not a de Polignac number, because 168743245 - 2⁵ = 168743213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 168743198 and 168743207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 483331 + ... + 483679.

It is an arithmetic number, because the mean of its divisors is an integer number (7087500).

Almost surely, 2^168743245 is an apocalyptic number.

It is an amenable number.

168743245 is a deficient number, since it is larger than the sum of its proper divisors (58056755).

168743245 is a wasteful number, since it uses less digits than its factorization.

168743245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573.

The product of its digits is 161280, while the sum is 40.

The square root of 168743245 is about 12990.1210540934. The cubic root of 168743245 is about 552.5973511768.

The spelling of 168743245 in words is "one hundred sixty-eight million, seven hundred forty-three thousand, two hundred forty-five".