445124421503 has 2 divisors, whose sum is σ = 445124421504. Its totient is φ = 445124421502.

The previous prime is 445124421463. The next prime is 445124421557. The reversal of 445124421503 is 305124421544.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 445124421503 - 2¹⁴ = 445124405119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445124421403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222562210751 + 222562210752.

It is an arithmetic number, because the mean of its divisors is an integer number (222562210752).

Almost surely, 2^445124421503 is an apocalyptic number.

445124421503 is a deficient number, since it is larger than the sum of its proper divisors (1).

445124421503 is an equidigital number, since it uses as much as digits as its factorization.

445124421503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 76800, while the sum is 35.

The spelling of 445124421503 in words is "four hundred forty-five billion, one hundred twenty-four million, four hundred twenty-one thousand, five hundred three".