102073301326542 has 48 divisors (see below), whose sum is σ = 252637892058240. Its totient is φ = 26920431117216.

The previous prime is 102073301326537. The next prime is 102073301326621. The reversal of 102073301326542 is 245623103370201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 102073301326542.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7190278992 + ... + 7190293187.

It is an arithmetic number, because the mean of its divisors is an integer number (5263289417880).

Almost surely, 2^{102073301326542} is an apocalyptic number.

102073301326542 is an abundant number, since it is smaller than the sum of its proper divisors (150564590731698).

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

102073301326542 is a wasteful number, since it uses less digits than its factorization.

102073301326542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14380572217 (or 14380572204 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 39.

Adding to 102073301326542 its reverse (245623103370201), we get a palindrome (347696404696743).

The spelling of 102073301326542 in words is "one hundred two trillion, seventy-three billion, three hundred one million, three hundred twenty-six thousand, five hundred forty-two".