1445020422 has 32 divisors (see below), whose sum is σ = 3063911424. Its totient is φ = 453535200.

The previous prime is 1445020411. The next prime is 1445020427. The reversal of 1445020422 is 2240205441.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1445020392 and 1445020401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445020427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98104 + ... + 111867.

It is an arithmetic number, because the mean of its divisors is an integer number (95747232).

Almost surely, 2^1445020422 is an apocalyptic number.

1445020422 is an abundant number, since it is smaller than the sum of its proper divisors (1618891002).

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

1445020422 is a wasteful number, since it uses less digits than its factorization.

1445020422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210044.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 1445020422 is about 38013.4242340782. The cubic root of 1445020422 is about 1130.5540452697.

Adding to 1445020422 its reverse (2240205441), we get a palindrome (3685225863).

The spelling of 1445020422 in words is "one billion, four hundred forty-five million, twenty thousand, four hundred twenty-two".