2145027298 has 8 divisors (see below), whose sum is σ = 3224582892. Its totient is φ = 1070166336.

The previous prime is 2145027277. The next prime is 2145027317. The reversal of 2145027298 is 8927205412.

It can be written as a sum of positive squares in 2 ways, for example, as 1835865409 + 309161889 = 42847^2 + 17583^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2145027298² = 9202284218330361608, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2145027298.

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, 1172515 + ... + 1174342.

Almost surely, 2^2145027298 is an apocalyptic number.

2145027298 is a deficient number, since it is larger than the sum of its proper divisors (1079555594).

2145027298 is a wasteful number, since it uses less digits than its factorization.

2145027298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2347316.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 2145027298 is about 46314.4394114838. The cubic root of 2145027298 is about 1289.6670610849.

The spelling of 2145027298 in words is "two billion, one hundred forty-five million, twenty-seven thousand, two hundred ninety-eight".