102814490 has 32 divisors (see below), whose sum is σ = 190959120. Its totient is φ = 39826944.

The previous prime is 102814469. The next prime is 102814493. The reversal of 102814490 is 94418201.

It can be written as a sum of positive squares in 8 ways, for example, as 70744921 + 32069569 = 8411^2 + 5663^2 .

Together with 88144630 it forms an amicable pair .

It is not an unprimeable number, because it can be changed into a prime (102814493) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 99014 + ... + 100046.

Almost surely, 2^102814490 is an apocalyptic number.

102814490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102814490 is a deficient number, since it is larger than the sum of its proper divisors (88144630).

102814490 is a wasteful number, since it uses less digits than its factorization.

102814490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 102814490 is about 10139.7480244827. The cubic root of 102814490 is about 468.4732258846.

The spelling of 102814490 in words is "one hundred two million, eight hundred fourteen thousand, four hundred ninety".