2145412151 has 8 divisors (see below), whose sum is σ = 2295351600. Its totient is φ = 1999175040.

The previous prime is 2145412127. The next prime is 2145412153. The reversal of 2145412151 is 1512145412.

It is a happy number.

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-2145412151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2145412151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145412153) 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, 924386 + ... + 926703.

It is an arithmetic number, because the mean of its divisors is an integer number (286918950).

Almost surely, 2^2145412151 is an apocalyptic number.

2145412151 is a deficient number, since it is larger than the sum of its proper divisors (149939449).

2145412151 is a wasteful number, since it uses less digits than its factorization.

2145412151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851169.

The product of its digits is 1600, while the sum is 26.

The square root of 2145412151 is about 46318.5940093177. The cubic root of 2145412151 is about 1289.7441855978.

Adding to 2145412151 its reverse (1512145412), we get a palindrome (3657557563).

The spelling of 2145412151 in words is "two billion, one hundred forty-five million, four hundred twelve thousand, one hundred fifty-one".