102243488 has 12 divisors (see below), whose sum is σ = 201291930. Its totient is φ = 51121728.

The previous prime is 102243481. The next prime is 102243497. The reversal of 102243488 is 884342201.

It can be written as a sum of positive squares in only one way, i.e., 102171664 + 71824 = 10108^2 + 268^2 .

It is a super-2 number, since 2×102243488² = 20907461676812288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 3195109 = 102243488 / (1 + 0 + 2 + 2 + 4 + 3 + 4 + 8 + 8).

It is not an unprimeable number, because it can be changed into a prime (102243481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1597523 + ... + 1597586.

Almost surely, 2^102243488 is an apocalyptic number.

It is an amenable number.

102243488 is a deficient number, since it is larger than the sum of its proper divisors (99048442).

102243488 is an equidigital number, since it uses as much as digits as its factorization.

102243488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3195119 (or 3195111 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 102243488 is about 10111.5522052749. The cubic root of 102243488 is about 467.6043603940.

Adding to 102243488 its reverse (884342201), we get a palindrome (986585689).

The spelling of 102243488 in words is "one hundred two million, two hundred forty-three thousand, four hundred eighty-eight".