1457144287273 has 4 divisors (see below), whose sum is σ = 1464540958980. Its totient is φ = 1449747615568.

The previous prime is 1457144287201. The next prime is 1457144287279. The reversal of 1457144287273 is 3727824417541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1400523132969 + 56621154304 = 1183437^2 + 237952^2 .

It is a cyclic number.

It is not a de Polignac number, because 1457144287273 - 2⁹ = 1457144286761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1457144287279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3698335558 + ... + 3698335951.

It is an arithmetic number, because the mean of its divisors is an integer number (366135239745).

Almost surely, 2^{1457144287273} is an apocalyptic number.

It is an amenable number.

1457144287273 is a deficient number, since it is larger than the sum of its proper divisors (7396671707).

1457144287273 is an equidigital number, since it uses as much as digits as its factorization.

1457144287273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7396671706.

The product of its digits is 10536960, while the sum is 55.

The spelling of 1457144287273 in words is "one trillion, four hundred fifty-seven billion, one hundred forty-four million, two hundred eighty-seven thousand, two hundred seventy-three".