1428573157146 has 24 divisors (see below), whose sum is σ = 3096791864244. Its totient is φ = 475952587200.

The previous prime is 1428573157127. The next prime is 1428573157163. The reversal of 1428573157146 is 6417513758241.

1428573157146 is a `hidden beast` number, since 1 + 4 + 2 + 8 + 573 + 1 + 57 + 14 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1428237717921 + 335439225 = 1195089^2 + 18315^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1428573157092 and 1428573157101.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19835155 + ... + 19907046.

Almost surely, 2^{1428573157146} is an apocalyptic number.

1428573157146 is an abundant number, since it is smaller than the sum of its proper divisors (1668218707098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1428573157146 is a wasteful number, since it uses less digits than its factorization.

1428573157146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39744206 (or 39744203 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 54.

The spelling of 1428573157146 in words is "one trillion, four hundred twenty-eight billion, five hundred seventy-three million, one hundred fifty-seven thousand, one hundred forty-six".