101541982 has 4 divisors (see below), whose sum is σ = 152312976. Its totient is φ = 50770990.

The previous prime is 101541977. The next prime is 101541989. The reversal of 101541982 is 289145101.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101541989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25385494 + ... + 25385497.

It is an arithmetic number, because the mean of its divisors is an integer number (38078244).

Almost surely, 2^101541982 is an apocalyptic number.

101541982 is a deficient number, since it is larger than the sum of its proper divisors (50770994).

101541982 is an equidigital number, since it uses as much as digits as its factorization.

101541982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50770993.

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 101541982 is about 10076.8041560804. The cubic root of 101541982 is about 466.5324735471.

The spelling of 101541982 in words is "one hundred one million, five hundred forty-one thousand, nine hundred eighty-two".