1445428557842 has 8 divisors (see below), whose sum is σ = 2198680060032. Its totient is φ = 712535204500.

The previous prime is 1445428557823. The next prime is 1445428557851. The reversal of 1445428557842 is 2487558245441.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5089537034 + ... + 5089537317.

It is an arithmetic number, because the mean of its divisors is an integer number (274835007504).

Almost surely, 2^{1445428557842} is an apocalyptic number.

1445428557842 is a deficient number, since it is larger than the sum of its proper divisors (753251502190).

1445428557842 is a wasteful number, since it uses less digits than its factorization.

1445428557842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10179074424.

The product of its digits is 57344000, while the sum is 59.

The spelling of 1445428557842 in words is "one trillion, four hundred forty-five billion, four hundred twenty-eight million, five hundred fifty-seven thousand, eight hundred forty-two".