2151514453 has 8 divisors (see below), whose sum is σ = 2348646336. Its totient is φ = 1954639200.

The previous prime is 2151514447. The next prime is 2151514471. The reversal of 2151514453 is 3544151512.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2151514453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151512453) 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, 46408 + ... + 80353.

It is an arithmetic number, because the mean of its divisors is an integer number (293580792).

Almost surely, 2^2151514453 is an apocalyptic number.

It is an amenable number.

2151514453 is a deficient number, since it is larger than the sum of its proper divisors (197131883).

2151514453 is a wasteful number, since it uses less digits than its factorization.

2151514453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128315.

The product of its digits is 12000, while the sum is 31.

The square root of 2151514453 is about 46384.4203693438. The cubic root of 2151514453 is about 1290.9658557906.

Adding to 2151514453 its reverse (3544151512), we get a palindrome (5695665965).

The spelling of 2151514453 in words is "two billion, one hundred fifty-one million, five hundred fourteen thousand, four hundred fifty-three".