1445225423 has 2 divisors, whose sum is σ = 1445225424. Its totient is φ = 1445225422.

The previous prime is 1445225381. The next prime is 1445225449. The reversal of 1445225423 is 3245225441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1445225423 - 2⁸ = 1445225167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1445225423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1445224423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722612711 + 722612712.

It is an arithmetic number, because the mean of its divisors is an integer number (722612712).

Almost surely, 2^1445225423 is an apocalyptic number.

1445225423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1445225423 is an equidigital number, since it uses as much as digits as its factorization.

1445225423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38400, while the sum is 32.

The square root of 1445225423 is about 38016.1205674645. The cubic root of 1445225423 is about 1130.6075055870.

The spelling of 1445225423 in words is "one billion, four hundred forty-five million, two hundred twenty-five thousand, four hundred twenty-three".