1457779233458 has 8 divisors (see below), whose sum is σ = 2187091084080. Its totient is φ = 728748872100.

The previous prime is 1457779233439. The next prime is 1457779233473. The reversal of 1457779233458 is 8543329777541.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1457779233394 and 1457779233403.

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, 70359368 + ... + 70380083.

It is an arithmetic number, because the mean of its divisors is an integer number (273386385510).

Almost surely, 2^{1457779233458} is an apocalyptic number.

1457779233458 is a deficient number, since it is larger than the sum of its proper divisors (729311850622).

1457779233458 is a wasteful number, since it uses less digits than its factorization.

1457779233458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140744632.

The product of its digits is 177811200, while the sum is 65.

The spelling of 1457779233458 in words is "one trillion, four hundred fifty-seven billion, seven hundred seventy-nine million, two hundred thirty-three thousand, four hundred fifty-eight".