102445200340 has 24 divisors (see below), whose sum is σ = 245868481152. Its totient is φ = 35124068640.

The previous prime is 102445200323. The next prime is 102445200401. The reversal of 102445200340 is 43002544201.

It is a happy number.

It is a super-2 number, since 2×102445200340² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365875576 + ... + 365875855.

It is an arithmetic number, because the mean of its divisors is an integer number (10244520048).

Almost surely, 2^102445200340 is an apocalyptic number.

102445200340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102445200340 is an abundant number, since it is smaller than the sum of its proper divisors (143423280812).

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

102445200340 is a wasteful number, since it uses less digits than its factorization.

102445200340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731751447 (or 731751445 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 102445200340 its reverse (43002544201), we get a palindrome (145447744541).

The spelling of 102445200340 in words is "one hundred two billion, four hundred forty-five million, two hundred thousand, three hundred forty".