1445221462 has 8 divisors (see below), whose sum is σ = 2175659136. Its totient is φ = 720001752.

The previous prime is 1445221451. The next prime is 1445221483. The reversal of 1445221462 is 2641225441.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1303798 + ... + 1304905.

It is an arithmetic number, because the mean of its divisors is an integer number (271957392).

Almost surely, 2^1445221462 is an apocalyptic number.

1445221462 is a deficient number, since it is larger than the sum of its proper divisors (730437674).

1445221462 is a wasteful number, since it uses less digits than its factorization.

1445221462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2608982.

The product of its digits is 15360, while the sum is 31.

The square root of 1445221462 is about 38016.0684711084. The cubic root of 1445221462 is about 1130.6064726823.

The spelling of 1445221462 in words is "one billion, four hundred forty-five million, two hundred twenty-one thousand, four hundred sixty-two".