2154147614 has 4 divisors (see below), whose sum is σ = 3231221424. Its totient is φ = 1077073806.

The previous prime is 2154147581. The next prime is 2154147617. The reversal of 2154147614 is 4167414512.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154147617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538536902 + ... + 538536905.

It is an arithmetic number, because the mean of its divisors is an integer number (807805356).

Almost surely, 2^2154147614 is an apocalyptic number.

2154147614 is a deficient number, since it is larger than the sum of its proper divisors (1077073810).

2154147614 is a wasteful number, since it uses less digits than its factorization.

2154147614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077073809.

The product of its digits is 26880, while the sum is 35.

The square root of 2154147614 is about 46412.7958002963. The cubic root of 2154147614 is about 1291.4922966135.

The spelling of 2154147614 in words is "two billion, one hundred fifty-four million, one hundred forty-seven thousand, six hundred fourteen".