102305451125444 has 48 divisors (see below), whose sum is σ = 205459702761600. Its totient is φ = 43663675351296.

The previous prime is 102305451125399. The next prime is 102305451125477. The reversal of 102305451125444 is 444521154503201.

It is a super-2 number, since 2×102305451125444² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 987239 + ... + 14338254.

It is an arithmetic number, because the mean of its divisors is an integer number (4280410474200).

Almost surely, 2^{102305451125444} is an apocalyptic number.

102305451125444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

102305451125444 is an abundant number, since it is smaller than the sum of its proper divisors (103154251636156).

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

102305451125444 is a wasteful number, since it uses less digits than its factorization.

102305451125444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15326492 (or 15326490 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 41.

The spelling of 102305451125444 in words is "one hundred two trillion, three hundred five billion, four hundred fifty-one million, one hundred twenty-five thousand, four hundred forty-four".