102044460 has 144 divisors (see below), whose sum is σ = 338415840. Its totient is φ = 22901760.

The previous prime is 102044429. The next prime is 102044539. The reversal of 102044460 is 64440201.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 179056 + ... + 179624.

It is an arithmetic number, because the mean of its divisors is an integer number (2350110).

Almost surely, 2^102044460 is an apocalyptic number.

102044460 is a gapful number since it is divisible by the number (10) 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 102044460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169207920).

102044460 is an abundant number, since it is smaller than the sum of its proper divisors (236371380).

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

102044460 is a wasteful number, since it uses less digits than its factorization.

102044460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656 (or 647 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 102044460 is about 10101.7057965474. The cubic root of 102044460 is about 467.3007491624.

Adding to 102044460 its reverse (64440201), we get a palindrome (166484661).

The spelling of 102044460 in words is "one hundred two million, forty-four thousand, four hundred sixty".