102445034340 has 96 divisors (see below), whose sum is σ = 313620854400. Its totient is φ = 24779776000.

The previous prime is 102445034333. The next prime is 102445034359. The reversal of 102445034340 is 43430544201.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 102445034298 and 102445034307.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123490 + ... + 469190.

It is an arithmetic number, because the mean of its divisors is an integer number (3266883900).

Almost surely, 2^102445034340 is an apocalyptic number.

102445034340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102445034340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156810427200).

102445034340 is an abundant number, since it is smaller than the sum of its proper divisors (211175820060).

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

102445034340 is a wasteful number, since it uses less digits than its factorization.

102445034340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346173 (or 346171 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 102445034340 its reverse (43430544201), we get a palindrome (145875578541).

The spelling of 102445034340 in words is "one hundred two billion, four hundred forty-five million, thirty-four thousand, three hundred forty".