168448245 has 32 divisors (see below), whose sum is σ = 313251840. Its totient is φ = 75696960.

The previous prime is 168448237. The next prime is 168448249. The reversal of 168448245 is 542844861.

It is not a de Polignac number, because 168448245 - 2³ = 168448237 is a prime.

It is a super-2 number, since 2×168448245² = 56749622487160050, which contains 22 as substring.

It is a zygodrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 168448197 and 168448206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168448249) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7401 + ... + 19790.

It is an arithmetic number, because the mean of its divisors is an integer number (9789120).

Almost surely, 2^168448245 is an apocalyptic number.

168448245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

168448245 is a deficient number, since it is larger than the sum of its proper divisors (144803595).

168448245 is a wasteful number, since it uses less digits than its factorization.

168448245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27265.

The product of its digits is 245760, while the sum is 42.

The square root of 168448245 is about 12978.7613045313. The cubic root of 168448245 is about 552.2751431048.

The spelling of 168448245 in words is "one hundred sixty-eight million, four hundred forty-eight thousand, two hundred forty-five".