163097245 has 8 divisors (see below), whose sum is σ = 197512920. Its totient is φ = 129280320.

The previous prime is 163097243. The next prime is 163097251. The reversal of 163097245 is 542790361.

It can be written as a sum of positive squares in 4 ways, for example, as 21511044 + 141586201 = 4638^2 + 11899^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 163097245 - 2¹ = 163097243 is a prime.

It is a super-2 number, since 2×163097245² = 53201422653180050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163097243) 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, 149086 + ... + 150175.

It is an arithmetic number, because the mean of its divisors is an integer number (24689115).

Almost surely, 2^163097245 is an apocalyptic number.

It is an amenable number.

163097245 is a deficient number, since it is larger than the sum of its proper divisors (34415675).

163097245 is a wasteful number, since it uses less digits than its factorization.

163097245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299375.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 163097245 is about 12770.9531750766. The cubic root of 163097245 is about 546.3641666605.

The spelling of 163097245 in words is "one hundred sixty-three million, ninety-seven thousand, two hundred forty-five".