1254652463146 has 4 divisors (see below), whose sum is σ = 1881978694722. Its totient is φ = 627326231572.

The previous prime is 1254652463041. The next prime is 1254652463161. The reversal of 1254652463146 is 6413642564521.

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

It can be written as a sum of positive squares in only one way, i.e., 640136007225 + 614516455921 = 800085^2 + 783911^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 1254652463146.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313663115785 + ... + 313663115788.

Almost surely, 2^{1254652463146} is an apocalyptic number.

1254652463146 is a deficient number, since it is larger than the sum of its proper divisors (627326231576).

1254652463146 is an equidigital number, since it uses as much as digits as its factorization.

1254652463146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627326231575.

The product of its digits is 4147200, while the sum is 49.

The spelling of 1254652463146 in words is "one trillion, two hundred fifty-four billion, six hundred fifty-two million, four hundred sixty-three thousand, one hundred forty-six".