1457142440055 has 32 divisors (see below), whose sum is σ = 2335913868288. Its totient is φ = 775647792000.

The previous prime is 1457142440051. The next prime is 1457142440057. The reversal of 1457142440055 is 5500442417541.

It is not a de Polignac number, because 1457142440055 - 2² = 1457142440051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1457142439989 and 1457142440016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1457142440051) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 68089617 + ... + 68111013.

It is an arithmetic number, because the mean of its divisors is an integer number (72997308384).

Almost surely, 2^{1457142440055} is an apocalyptic number.

1457142440055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1457142440055 is a deficient number, since it is larger than the sum of its proper divisors (878771428233).

1457142440055 is a wasteful number, since it uses less digits than its factorization.

1457142440055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29927.

The product of its (nonzero) digits is 448000, while the sum is 42.

Adding to 1457142440055 its reverse (5500442417541), we get a palindrome (6957584857596).

The spelling of 1457142440055 in words is "one trillion, four hundred fifty-seven billion, one hundred forty-two million, four hundred forty thousand, fifty-five".