445500124309 has 2 divisors, whose sum is σ = 445500124310. Its totient is φ = 445500124308.

The previous prime is 445500124243. The next prime is 445500124357. The reversal of 445500124309 is 903421005544.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 321386948100 + 124113176209 = 566910^2 + 352297^2 .

It is a cyclic number.

It is not a de Polignac number, because 445500124309 - 2²³ = 445491735701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445500124409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222750062154 + 222750062155.

It is an arithmetic number, because the mean of its divisors is an integer number (222750062155).

Almost surely, 2^445500124309 is an apocalyptic number.

It is an amenable number.

445500124309 is a deficient number, since it is larger than the sum of its proper divisors (1).

445500124309 is an equidigital number, since it uses as much as digits as its factorization.

445500124309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 445500124309 in words is "four hundred forty-five billion, five hundred million, one hundred twenty-four thousand, three hundred nine".