126306443745 has 16 divisors (see below), whose sum is σ = 224544789120. Its totient is φ = 67363436592.

The previous prime is 126306443713. The next prime is 126306443833. The reversal of 126306443745 is 547344603621.

126306443745 is a `hidden beast` number, since 1 + 2 + 630 + 6 + 4 + 4 + 3 + 7 + 4 + 5 = 666.

It is not a de Polignac number, because 126306443745 - 2⁵ = 126306443713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 126306443745.

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, 467801509 + ... + 467801778.

It is an arithmetic number, because the mean of its divisors is an integer number (14034049320).

Almost surely, 2^126306443745 is an apocalyptic number.

126306443745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126306443745 is a deficient number, since it is larger than the sum of its proper divisors (98238345375).

126306443745 is an equidigital number, since it uses as much as digits as its factorization.

126306443745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935603301 (or 935603295 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 45.

The spelling of 126306443745 in words is "one hundred twenty-six billion, three hundred six million, four hundred forty-three thousand, seven hundred forty-five".