2145098688 has 56 divisors (see below), whose sum is σ = 5807586048. Its totient is φ = 698401536.

The previous prime is 2145098677. The next prime is 2145098699. The reversal of 2145098688 is 8868905412.

It is an interprime number because it is at equal distance from previous prime (2145098677) and next prime (2145098699).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2145098688.

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, 121656 + ... + 138167.

Almost surely, 2^2145098688 is an apocalyptic number.

It is an amenable number.

2145098688 is an abundant number, since it is smaller than the sum of its proper divisors (3662487360).

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

2145098688 is a wasteful number, since it uses less digits than its factorization.

2145098688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259881 (or 259871 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 51.

The square root of 2145098688 is about 46315.2101150367. The cubic root of 2145098688 is about 1289.6813683325.

The spelling of 2145098688 in words is "two billion, one hundred forty-five million, ninety-eight thousand, six hundred eighty-eight".