2857457457148 has 24 divisors (see below), whose sum is σ = 5714951592672. Its totient is φ = 1224616764864.

The previous prime is 2857457457109. The next prime is 2857457457167. The reversal of 2857457457148 is 8417547547582.

It is a hoax number, since the sum of its digits (67) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6951786 + ... + 7351342.

It is an arithmetic number, because the mean of its divisors is an integer number (238122983028).

Almost surely, 2^{2857457457148} is an apocalyptic number.

2857457457148 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2857457457148 is an abundant number, since it is smaller than the sum of its proper divisors (2857494135524).

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

2857457457148 is a wasteful number, since it uses less digits than its factorization.

2857457457148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654981 (or 654979 counting only the distinct ones).

The product of its digits is 351232000, while the sum is 67.

The spelling of 2857457457148 in words is "two trillion, eight hundred fifty-seven billion, four hundred fifty-seven million, four hundred fifty-seven thousand, one hundred forty-eight".