1428616143146 has 4 divisors (see below), whose sum is σ = 2142924214722. Its totient is φ = 714308071572.

The previous prime is 1428616143133. The next prime is 1428616143167. The reversal of 1428616143146 is 6413416168241.

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., 1126623030625 + 301993112521 = 1061425^2 + 549539^2 .

It is a super-3 number, since 3×1428616143146³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1428616143146.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357154035785 + ... + 357154035788.

Almost surely, 2^{1428616143146} is an apocalyptic number.

1428616143146 is a deficient number, since it is larger than the sum of its proper divisors (714308071576).

1428616143146 is an equidigital number, since it uses as much as digits as its factorization.

1428616143146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714308071575.

The product of its digits is 663552, while the sum is 47.

The spelling of 1428616143146 in words is "one trillion, four hundred twenty-eight billion, six hundred sixteen million, one hundred forty-three thousand, one hundred forty-six".