163542454 has 8 divisors (see below), whose sum is σ = 249471720. Its totient is φ = 80385216.

The previous prime is 163542439. The next prime is 163542487. The reversal of 163542454 is 454245361.

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

It is a super-2 number, since 2×163542454² = 53492268520684232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 692859 + ... + 693094.

It is an arithmetic number, because the mean of its divisors is an integer number (31183965).

Almost surely, 2^163542454 is an apocalyptic number.

163542454 is a deficient number, since it is larger than the sum of its proper divisors (85929266).

163542454 is a wasteful number, since it uses less digits than its factorization.

163542454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386014.

The product of its digits is 57600, while the sum is 34.

The square root of 163542454 is about 12788.3718275627. The cubic root of 163542454 is about 546.8608544869.

The spelling of 163542454 in words is "one hundred sixty-three million, five hundred forty-two thousand, four hundred fifty-four".