163453542 has 64 divisors (see below), whose sum is σ = 395297280. Its totient is φ = 44015616.

The previous prime is 163453519. The next prime is 163453579. The reversal of 163453542 is 245354361.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 204688 + ... + 205484.

It is an arithmetic number, because the mean of its divisors is an integer number (6176520).

Almost surely, 2^163453542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163453542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197648640).

163453542 is an abundant number, since it is smaller than the sum of its proper divisors (231843738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163453542 is a wasteful number, since it uses less digits than its factorization.

163453542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085.

The product of its digits is 43200, while the sum is 33.

The square root of 163453542 is about 12784.8950719198. The cubic root of 163453542 is about 546.7617338301.

The spelling of 163453542 in words is "one hundred sixty-three million, four hundred fifty-three thousand, five hundred forty-two".