2145231027471 has 8 divisors (see below), whose sum is σ = 3268923470464. Its totient is φ = 1225846301400.

The previous prime is 2145231027469. The next prime is 2145231027481. The reversal of 2145231027471 is 1747201325412.

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

It is not a de Polignac number, because 2145231027471 - 2¹ = 2145231027469 is a prime.

It is a super-3 number, since 3×2145231027471³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145231027461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51076929205 + ... + 51076929246.

It is an arithmetic number, because the mean of its divisors is an integer number (408615433808).

Almost surely, 2^{2145231027471} is an apocalyptic number.

2145231027471 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2145231027471 is a deficient number, since it is larger than the sum of its proper divisors (1123692442993).

2145231027471 is a wasteful number, since it uses less digits than its factorization.

2145231027471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102153858461.

The product of its (nonzero) digits is 94080, while the sum is 39.

The spelling of 2145231027471 in words is "two trillion, one hundred forty-five billion, two hundred thirty-one million, twenty-seven thousand, four hundred seventy-one".