102442534455 has 16 divisors (see below), whose sum is σ = 164088791424. Its totient is φ = 54575772960.

The previous prime is 102442534433. The next prime is 102442534501. The reversal of 102442534455 is 554435244201.

It is not a de Polignac number, because 102442534455 - 2⁸ = 102442534199 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3751281 + ... + 3778490.

It is an arithmetic number, because the mean of its divisors is an integer number (10255549464).

Almost surely, 2^102442534455 is an apocalyptic number.

102442534455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102442534455 is a deficient number, since it is larger than the sum of its proper divisors (61646256969).

102442534455 is an equidigital number, since it uses as much as digits as its factorization.

102442534455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7530686.

The product of its (nonzero) digits is 384000, while the sum is 39.

Adding to 102442534455 its reverse (554435244201), we get a palindrome (656877778656).

The spelling of 102442534455 in words is "one hundred two billion, four hundred forty-two million, five hundred thirty-four thousand, four hundred fifty-five".