163102453 has 4 divisors (see below), whose sum is σ = 170193888. Its totient is φ = 156011020.

The previous prime is 163102421. The next prime is 163102481. The reversal of 163102453 is 354201361.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 354201361 = 433 ⋅818017.

It is a cyclic number.

It is not a de Polignac number, because 163102453 - 2⁵ = 163102421 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 (163106453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3545683 + ... + 3545728.

It is an arithmetic number, because the mean of its divisors is an integer number (42548472).

Almost surely, 2^163102453 is an apocalyptic number.

It is an amenable number.

163102453 is a deficient number, since it is larger than the sum of its proper divisors (7091435).

163102453 is an equidigital number, since it uses as much as digits as its factorization.

163102453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7091434.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 163102453 is about 12771.1570736562. The cubic root of 163102453 is about 546.3699820751.

The spelling of 163102453 in words is "one hundred sixty-three million, one hundred two thousand, four hundred fifty-three".