1457287443146 has 16 divisors (see below), whose sum is σ = 2207630631528. Its totient is φ = 721410936000.

The previous prime is 1457287443121. The next prime is 1457287443149. The reversal of 1457287443146 is 6413447827541.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1439426457121 + 17860986025 = 1199761^2 + 133645^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1457287443091 and 1457287443100.

It is not an unprimeable number, because it can be changed into a prime (1457287443149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11233976 + ... + 11362956.

Almost surely, 2^{1457287443146} is an apocalyptic number.

1457287443146 is a deficient number, since it is larger than the sum of its proper divisors (750343188382).

1457287443146 is a wasteful number, since it uses less digits than its factorization.

1457287443146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185017.

The product of its digits is 18063360, while the sum is 56.

The spelling of 1457287443146 in words is "one trillion, four hundred fifty-seven billion, two hundred eighty-seven million, four hundred forty-three thousand, one hundred forty-six".