101288448 has 160 divisors (see below), whose sum is σ = 318193920. Its totient is φ = 31703040.

The previous prime is 101288423. The next prime is 101288461. The reversal of 101288448 is 844882101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234793 + ... + 235223.

It is an arithmetic number, because the mean of its divisors is an integer number (1988712).

Almost surely, 2^101288448 is an apocalyptic number.

101288448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101288448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159096960).

101288448 is an abundant number, since it is smaller than the sum of its proper divisors (216905472).

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

101288448 is an equidigital number, since it uses as much as digits as its factorization.

101288448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 36.

The square root of 101288448 is about 10064.2162138937. The cubic root of 101288448 is about 466.1438644149.

The spelling of 101288448 in words is "one hundred one million, two hundred eighty-eight thousand, four hundred forty-eight".