1245445223998 has 8 divisors (see below), whose sum is σ = 1868172598800. Its totient is φ = 622721024400.

The previous prime is 1245445223947. The next prime is 1245445224031. The reversal of 1245445223998 is 8993225445421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1245445223998² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 975703 + ... + 1855501.

It is an arithmetic number, because the mean of its divisors is an integer number (233521574850).

Almost surely, 2^{1245445223998} is an apocalyptic number.

1245445223998 is a deficient number, since it is larger than the sum of its proper divisors (622727374802).

1245445223998 is an equidigital number, since it uses as much as digits as its factorization.

1245445223998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587602.

The product of its digits is 24883200, while the sum is 58.

The spelling of 1245445223998 in words is "one trillion, two hundred forty-five billion, four hundred forty-five million, two hundred twenty-three thousand, nine hundred ninety-eight".