2157424405148 has 12 divisors (see below), whose sum is σ = 3775509826872. Its totient is φ = 1078707311760.

The previous prime is 2157424405127. The next prime is 2157424405189. The reversal of 2157424405148 is 8415044247512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119615 + ... + 2080662.

It is an arithmetic number, because the mean of its divisors is an integer number (314625818906).

Almost surely, 2^{2157424405148} is an apocalyptic number.

It is an amenable number.

2157424405148 is a deficient number, since it is larger than the sum of its proper divisors (1618085421724).

2157424405148 is a wasteful number, since it uses less digits than its factorization.

2157424405148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2445412 (or 2445410 counting only the distinct ones).

The product of its (nonzero) digits is 1433600, while the sum is 47.

The spelling of 2157424405148 in words is "two trillion, one hundred fifty-seven billion, four hundred twenty-four million, four hundred five thousand, one hundred forty-eight".