102044557 has 16 divisors (see below), whose sum is σ = 113098032. Its totient is φ = 91653120.

The previous prime is 102044543. The next prime is 102044561. The reversal of 102044557 is 755440201.

It can be written as a sum of positive squares in 8 ways, for example, as 49829481 + 52215076 = 7059^2 + 7226^2 .

It is not a de Polignac number, because 102044557 - 2⁷ = 102044429 is a prime.

It is a super-2 number, since 2×102044557² = 20826183226652498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102044597) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31807 + ... + 34867.

It is an arithmetic number, because the mean of its divisors is an integer number (7068627).

Almost surely, 2^102044557 is an apocalyptic number.

102044557 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

102044557 is a deficient number, since it is larger than the sum of its proper divisors (11053475).

102044557 is a wasteful number, since it uses less digits than its factorization.

102044557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3168.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 102044557 is about 10101.7105977156. The cubic root of 102044557 is about 467.3008972291.

Adding to 102044557 its reverse (755440201), we get a palindrome (857484758).

The spelling of 102044557 in words is "one hundred two million, forty-four thousand, five hundred fifty-seven".