2151454514 has 8 divisors (see below), whose sum is σ = 3520561968. Its totient is φ = 977933860.

The previous prime is 2151454507. The next prime is 2151454517. The reversal of 2151454514 is 4154541512.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (2151454517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48896672 + ... + 48896715.

It is an arithmetic number, because the mean of its divisors is an integer number (440070246).

Almost surely, 2^2151454514 is an apocalyptic number.

2151454514 is a deficient number, since it is larger than the sum of its proper divisors (1369107454).

2151454514 is a wasteful number, since it uses less digits than its factorization.

2151454514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97793400.

The product of its digits is 16000, while the sum is 32.

The square root of 2151454514 is about 46383.7742535038. The cubic root of 2151454514 is about 1290.9538673482.

The spelling of 2151454514 in words is "two billion, one hundred fifty-one million, four hundred fifty-four thousand, five hundred fourteen".