101542163 has 4 divisors (see below), whose sum is σ = 101814768. Its totient is φ = 101269560.

The previous prime is 101542157. The next prime is 101542183. The reversal of 101542163 is 361245101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101542163 - 2⁸ = 101541907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101542123) 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, 135743 + ... + 136488.

It is an arithmetic number, because the mean of its divisors is an integer number (25453692).

Almost surely, 2^101542163 is an apocalyptic number.

101542163 is a deficient number, since it is larger than the sum of its proper divisors (272605).

101542163 is an equidigital number, since it uses as much as digits as its factorization.

101542163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272604.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 101542163 is about 10076.8131370985. The cubic root of 101542163 is about 466.5327507471.

Adding to 101542163 its reverse (361245101), we get a palindrome (462787264).

The spelling of 101542163 in words is "one hundred one million, five hundred forty-two thousand, one hundred sixty-three".