2145426088188 has 24 divisors (see below), whose sum is σ = 5006189236608. Its totient is φ = 715114167856.

The previous prime is 2145426088147. The next prime is 2145426088199. The reversal of 2145426088188 is 8818806245412.

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, 3160656 + ... + 3778967.

It is an arithmetic number, because the mean of its divisors is an integer number (208591218192).

Almost surely, 2^{2145426088188} is an apocalyptic number.

It is an amenable number.

2145426088188 is an abundant number, since it is smaller than the sum of its proper divisors (2860763148420).

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

2145426088188 is a wasteful number, since it uses less digits than its factorization.

2145426088188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6965393 (or 6965391 counting only the distinct ones).

The product of its (nonzero) digits is 7864320, while the sum is 57.

The spelling of 2145426088188 in words is "two trillion, one hundred forty-five billion, four hundred twenty-six million, eighty-eight thousand, one hundred eighty-eight".