102443330 has 16 divisors (see below), whose sum is σ = 201161664. Its totient is φ = 37252080.

The previous prime is 102443303. The next prime is 102443333. The reversal of 102443330 is 33344201.

It is a super-2 number, since 2×102443330² = 20989271722977800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102443333) 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 7 ways as a sum of consecutive naturals, for example, 465542 + ... + 465761.

It is an arithmetic number, because the mean of its divisors is an integer number (12572604).

Almost surely, 2^102443330 is an apocalyptic number.

102443330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102443330 is a deficient number, since it is larger than the sum of its proper divisors (98718334).

102443330 is a wasteful number, since it uses less digits than its factorization.

102443330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931321.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 102443330 is about 10121.4292468999. The cubic root of 102443330 is about 467.9088171882.

Adding to 102443330 its reverse (33344201), we get a palindrome (135787531).

The spelling of 102443330 in words is "one hundred two million, four hundred forty-three thousand, three hundred thirty".