102543460 has 24 divisors (see below), whose sum is σ = 220595256. Its totient is φ = 40016640.

The previous prime is 102543431. The next prime is 102543479. The reversal of 102543460 is 64345201.

It can be written as a sum of positive squares in 4 ways, for example, as 2663424 + 99880036 = 1632^2 + 9994^2 .

It is a super-2 number, since 2×102543460² = 21030322377543200, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 61707 + ... + 63346.

It is an arithmetic number, because the mean of its divisors is an integer number (9191469).

Almost surely, 2^102543460 is an apocalyptic number.

102543460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102543460 is an abundant number, since it is smaller than the sum of its proper divisors (118051796).

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

102543460 is a wasteful number, since it uses less digits than its factorization.

102543460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125103 (or 125101 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 102543460 is about 10126.3744746084. The cubic root of 102543460 is about 468.0612151158.

Adding to 102543460 its reverse (64345201), we get a palindrome (166888661).

The spelling of 102543460 in words is "one hundred two million, five hundred forty-three thousand, four hundred sixty".