1457242555 has 8 divisors (see below), whose sum is σ = 1749125952. Its totient is φ = 1165504128.

The previous prime is 1457242529. The next prime is 1457242621. The reversal of 1457242555 is 5552427541.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1457242555 - 2¹⁷ = 1457111483 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12739 + ... + 55468.

It is an arithmetic number, because the mean of its divisors is an integer number (218640744).

Almost surely, 2^1457242555 is an apocalyptic number.

1457242555 is a deficient number, since it is larger than the sum of its proper divisors (291883397).

1457242555 is an equidigital number, since it uses as much as digits as its factorization.

1457242555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72485.

The product of its digits is 280000, while the sum is 40.

The square root of 1457242555 is about 38173.8464789704. The cubic root of 1457242555 is about 1133.7325485665.

The spelling of 1457242555 in words is "one billion, four hundred fifty-seven million, two hundred forty-two thousand, five hundred fifty-five".